Herbie Brennan Books in Order

A beginner's guide to money that looks at earning, managing, and thinking sensibly about wealth. Brennan keeps the tone practical and straightforward rather than grand or preachy.

Emily learns that the angry Farmer Osboro turns into a werewolf, and that her grandmother may know more magic than she expected. It is a light, funny fantasy with spells, family, and a monster problem.

Hubert presses a glowing button on a strange machine and discovers his nasty new neighbor is really an alien scout. The result is a fast children's sci-fi adventure with big consequences.

Martha persuades the Queen to declare a National Bad Manners Day on her birthday. The result is a gleeful children's story that turns politeness, rudeness, and chaos into a joke.

A short spooky story for younger readers, set around a small house with a secret and a steadily growing sense that something is not right. Brennan keeps the chills light but real.

Mario Scumbini gets pulled into a comic caper built around a stolen pig and a rapidly tangling mess of trouble. It is a short, lively story with plenty of mischief.

Something strange is stirring at Knucker Hole, and the children who investigate find more trouble than they expected. Brennan turns a local monster mystery into a quick, spooky adventure.

This interactive historical adventure sends you into ancient Egypt in search of treasure and survival. Your choices shape the route, the risks, and whether you make it out at all.

Cheekyfella follows the thief who stole his sacred didgeridoo from the Australian Outback to England. At the same time, Emma Preston is determined to send the instrument back where it belongs.

S. Mouse writes from an office-supply company after a suspicious phone call suggests something criminal is brewing. Young readers are invited to follow the clues and solve the case with him.

A simple introduction to how memory works, why people forget, and what can help them remember better. Brennan keeps the ideas practical and easy for younger readers to use.

A grab bag of supposedly true stories selected for their weird, creepy, and head-scratching details. It is aimed at readers who love the odd corners of the real world.

A short overview of claims that humans have encountered alien visitors, weighing reports, theories, and unexplained cases. It is geared to readers who enjoy big questions more than tidy answers.

When Eddie spots a bank robbery, he is kidnapped by the criminals who think a duck cannot cause trouble. They badly underestimate a very determined detective.

Brennan builds a provocative case around Mars, ancient mysteries, and the possibility that human origins are far stranger than standard history admits. It is speculative, energetic, and unapologetically bold.

Another collection of real-life stories chosen for their bizarre, creepy, or hard-to-explain edge. It is built for readers who like facts that sound stranger than fiction.

An accessible introduction to the internet, explaining how it works, what people use it for, and why it changed everyday life so quickly. Brennan breaks a big subject into clear, manageable pieces.

Duck detective Eddie lands in another comic mystery, this time involving gangsters, chickens, and one very bad egg. The pace is quick, the jokes are broad, and the trouble never sits still.

When the kindly Father Peter is replaced by a sinister new priest, Jennet realizes her life may be in danger. Brennan builds a dark, compact historical fantasy around fear, faith, and survival.

An interactive adventure set in the Roman world, where your decisions shape the path and the danger. History, puzzle-solving, and gamebook tension all work together here.

A fast introduction to the real science behind science fiction ideas like artificial intelligence, robots, cyberspace, and future tech. It asks which old predictions came true, and which did not.

A brisk survey of the Atlantis mystery, from the original legend to the many theories built around it. Brennan is less interested in settling the case than in laying out why it still fascinates people.

A compact introduction to Nostradamus and the prophecies often connected to the modern world. Brennan presents the man, the mystery, and the arguments that keep readers coming back.

Brennan offers a speculative re-reading of ancient Egypt, linking pyramids, sonics, electricity, and lost knowledge. It is the kind of book meant for readers who enjoy bold historical what-ifs.

An alien child makes an illegal trip to Earth and accidentally swaps remote controls with a girl named Rachel. The mix-up turns into a funny sci-fi adventure about bullies, courage, and getting home.

A speculative tour through Atlantis and other vanished cultures, asking what they were and why they disappeared. Brennan writes for readers who enjoy mysteries of the ancient world.

A short, accessible account of Edward Jenner's work on cowpox and vaccination. It introduces young readers to the science, courage, and controversy behind a major medical breakthrough.

Duck detective Eddie agrees to help a French poodle rescue her kidnapped husband, then discovers the whole case is a trap. It is a brisk, comic animal caper with gangsters on his tail.

Left alone in charge of the house, Fairy Nuff makes one very bad decision and blows the place up. That is only the start of a gloriously silly adventure involving villains, kidnapping, and mayhem in Bluebell Wood.

A school-friendly guide to memory that offers tricks, exercises, and simple ways to hold on to more information. Brennan turns remembering into a skill readers can practice.

A clear introduction to one of science's biggest mysteries, looking at the main theories behind the dinosaurs' extinction. Brennan keeps the ideas moving and easy to grasp.

Using a familiar question as its hook, this short nonfiction book explores how cats communicate and what purring might mean. It is simple, curious, and easy for younger readers to follow.

A readable, wide-ranging look at death that moves from the body's final processes to the bigger spiritual and philosophical questions people keep asking. Brennan treats a huge subject with curiosity rather than gloom.

Fairy Nuff's lavish new housewarming party is already a disaster before old enemies arrive to ruin it properly. Brennan piles on explosions, absurd creatures, and cheerful chaos.

Henry Atherton expects an ordinary chore and instead finds an exiled faerie prince hiding in Mr. Fogarty's house. To save Pyrgus and his realm, Henry is swept into a dangerous war between rival faerie powers.

When a monster in the video shop eats Stella's mum, quiet little Stella turns into the towering Frankenstella. It is a wild, funny picture book chase about anger, bravery, and monster-smashing payback.

Built around 111 odd questions, this book takes a lively trip through space travel, black holes, aliens, and the origins of the universe. It makes big science feel approachable and fun.

A mischievous manual full of codes, disguises, surveillance tricks, safe houses, and spy lore. Brennan makes secret-agent know-how feel both funny and just plausible enough to try.

A hands-on guide to hauntings that covers ghost-hunting gear, famous cases, and ways to spot a fake. Brennan keeps the mood curious and mischievous rather than solemn.

Henry is pulled back into the Faerie Realm when Holly Blue and Pyrgus face fresh danger before a coronation. Old enemies, dark magic, and shifting loyalties make this sequel even more perilous.

A practical, curious guide to alien theories, sightings, abductions, and hoaxes. Brennan mixes history, speculation, and hands-on tips for readers who like their mysteries cosmic.

A suspicious peace offer hides a deeper threat in the Faerie Realm. When dark forces manipulate Henry into kidnapping Queen Holly Blue, the struggle for the throne turns desperate.

A brisk introduction to unusual mental abilities, from intuition and telepathy to hypnosis and mind over matter. Brennan presents a grab bag of cases and ideas that invite readers to question the ordinary.

A lively guide to codes, ciphers, and the tricks used to hide or crack secret messages. It turns cryptography into something playful, practical, and easy to try yourself.

Part paranormal survey, part practical guide, this book explores claims that people can slip past the normal limits of time. Brennan treats the subject as a mystery worth testing, not dismissing.

A plague is racing through the Faerie Realm, aging its people at terrifying speed. When Pyrgus turns up in Henry Atherton's world, Henry returns to Faerie to search for the truth and a cure.

Brennan gathers strange disappearances, scientific ideas, and fringe theories into a readable tour of alternate realities. It is a quick, curious look at what might exist beside the world we know.

A playful guide to wizardry that mixes lore, case studies, and practical exercises. It invites readers to think like magicians while keeping one foot in story and one in experiment.

Edited by Brennan, this essay collection revisits the Chronicles of Narnia through the eyes of modern writers and fans. It looks at the books' characters, themes, and lasting pull without losing the fun.

Jurgen Wolf has been taught to worship Hitler and believe the Nazi cause is noble. As Germany collapses, he has to face the brutal gap between propaganda and reality.

Teen thief Danny Lipman breaks into the wrong house and discovers a secret spy program built on astral projection. Recruited instead of arrested, he steps into a world of covert missions and occult danger.

The Shadow Project team is sent back to Cold War Russia to stop a time-travel plot that could unleash plague on the modern world. Spy action and supernatural powers drive the danger from the first page.

This choose-your-own-path adventure throws you into the dangerous world of the ancient Aztecs. Survival depends on the choices you make, the clues you notice, and how boldly you play the game.

An interactive adventure that drops you into ancient Greece and lets your choices shape the story. Part history lesson, part gamebook, it mixes danger, puzzles, and a brisk sense of fun.

Mella, the half-human, half-faerie daughter of Henry and Holly Blue, stumbles into Haleklind and uncovers plans for invasion. Her stubborn courage may be the only thing standing between Faerie and catastrophe.

After his father's death, Em Goverton discovers a deadly trail linked to a five-hundred-year-old Nostradamus prediction. Hunted by armed strangers, he has to solve the puzzle before a disaster wipes out a generation.

A playful tour through cat lore, myth, and odd behavior, mixing anecdotes, folklore, and bits of science. Brennan asks why cats seem so uncanny, and why people remain happily obsessed with them.

Ancient Egypt crashes into the modern world when the last native pharaoh awakens in present-day New York, in another man's body. Brennan turns resurrection, murder, and history into a strange, high-stakes thriller.