Stuart Gibbs Books in Order

When Henry the hippo dies at FunJungle, Teddy Fitzroy is sure it was not an accident. His search for the truth uncovers a long suspect list and puts him in the killer's path.

On a trip to Paris, Greg's parents vanish not just from the city but from the century. To rescue them, he travels to 1615, meets the future Musketeers, and steps into a dangerous time-travel adventure.

Ben Ripley thinks he is heading to a science school and discovers he has been recruited to a secret CIA academy instead. Used as bait for a dangerous enemy, he has to survive training and figure out who wants him dead.

Still stuck in 1615 Paris, Greg joins the Musketeers on a pursuit across France and toward Spain. Someone seems to know their every move, and a traitor may be closer than any of them think.

Greg Rich is trapped in seventeenth-century France, locked in a fight to save King Louis and history itself. To survive, he and the young Musketeers have to escape prison and beat a plot that could change everything.

Summer survival camp turns into another mission when SPYDER infiltrates the program. Ben and Erica have to stay alive in the wilderness while figuring out which trainee is really working for the enemy.

A koala is stolen from FunJungle, and the evidence points straight at Teddy. To clear his name before he is hauled off to juvenile hall, he has to solve the case himself.

Living on the moon is not as thrilling as Dash hoped, until a famous scientist dies under suspicious circumstances. No one believes it was murder, so Dash starts digging and puts himself in danger.

When someone targets a pregnant white rhino at FunJungle, Teddy finally gets official permission to investigate. Protecting the animal and her unborn calf means uncovering who is really hunting her and why.

After a disastrous training exercise gets him expelled, Ben receives an offer from SPYDER. Going undercover at the enemy's school, he must uncover a sinister plot without blowing his cover.

On a moon base with nowhere to hide, commander Nina Stack vanishes. Dash has to solve the disappearance while guarding a secret that could matter far beyond Moon Base Alpha.

Ben's first real field mission sends him to a ski school to befriend Jessica Shang, daughter of a suspected crime boss. He can barely ski, and an unexpected visitor threatens to blow his cover.

FunJungle's brand-new giant panda vanishes before it even arrives at the zoo. When threats against Summer pull Teddy into the case, he has to untangle a mystery bigger than anything FunJungle has seen.

Ben is sent undercover to the White House to stop a presidential assassination. It sounds like a solo mission, but once everything falls apart, even his friends may not be fully on his side.

Murray Hill offers Ben a deal that might lead straight to SPYDER, and Ben knows it is probably a trap. He goes anyway, heading into a deadly mission with Erica and far too many crocodiles.

Dash wants a quiet thirteenth birthday on the moon, but someone tries to poison billionaire tourist Lars Sjoberg. With nearly everyone holding a grudge, Dash has to solve the case before the culprit strikes again.

Twelve-year-old Charlie is a genius, a thief, and suddenly the key to finding Einstein's hidden equation. Hunted across the world, she must crack the code before a ruthless group weaponizes it.

A mountain lion is blamed for killing a famous dog, but Teddy suspects the story is wrong. While helping Summer, he also gets pulled into a second case involving poisoned giraffes at FunJungle.

Stranded after a failed mission, Ben and his friends head to England to track the leader of SPYDER. Rogue factions, double-crosses, and one last chance to end the spy war keep the pressure high.

When Erica Hale appears to betray the CIA, Ben refuses to believe the obvious story. Going rogue, he digs into a secret plot with deep American roots and risks losing the people he trusts most.

A priceless T. rex skull disappears from a secret dig during a rainstorm, leaving no footprints and plenty of suspects. Teddy's search soon collides with another case involving illegal reptiles and old enemies.

Teddy visits a ranch near Yellowstone and expects scenery, not crime. Missing bison, a rampaging grizzly, and a vanished sapphire necklace turn the trip into a tangled, funny, very risky case.

Hoping for quiet time in the Galapagos, Charlie gets pulled into Darwin's long-hidden mystery instead. She follows dangerous clues across South America while deciding who, if anyone, she can trust.

Ben boards a luxury cruise ship in disguise to track his nemesis Murray Hill. Pretending to be part of the Hale family sounds fun until the mission goes sideways in a hurry.

Charlie chases a treasure hidden by Cleopatra before ruthless enemies can claim it. Ancient clues, global danger, and a secret tied to the queen's power make this one of her toughest hunts yet.

Tim is a peasant with knight-sized dreams. When Princess Grace is kidnapped, he joins the rescue quest and stumbles into a funny medieval adventure full of danger, bad odds, and stubborn courage.

The original story returns in graphic novel form as Ben Ripley enters the CIA's secret school for kid spies. When he learns he was recruited as bait, the jokes, action, and close calls come fast.

Murray Hill puts a bounty on Ben and frames him online, turning strangers and assassins against him. With only his friends to rely on, Ben races across the country to find Murray before the trap closes.

Prince Ruprecht traps Princess Grace inside a monstrous maze, and Tim has to go in after her. With Belinda, Ferkle, and Rover beside him, he faces beasts, traps, and the problem of getting back out.

At a school for super-powered kids, thirteen-year-old Bruce Wayne is the odd one out. With no powers but plenty of nerve, he decides to stand up to bullies and figure out what kind of hero he can be.

Ben heads to wilderness spy training in this graphic novel adaptation. SPYDER has slipped into camp, and he has to spot the enemy before a summer exercise turns deadly.

Training in Alaska turns serious when Cyrus Hale is kidnapped by an old Russian enemy. Ben joins a rescue mission that brings bears, cold-weather chaos, and secrets from the spy world's past.

Rescued by a mermaid princess, Tim and company now owe her a favor big enough to sink them. Their trip to Atlantis to recover a stolen trident turns into another messy, monster-filled quest.

Tim and his fellow junior knights head onto dangerous waters to recover a royal treasure and the protective amulet hidden with it. Storms, monsters, and bad luck make the voyage exactly as unpleasant as promised.

After a fire sends Teddy to Malibu with Summer, a dead whale washes ashore and explodes before anyone can explain why. Soon he is juggling a marine mystery, stolen sand, and trouble in his own relationship.

Charlie follows Isaac Newton's trail across several continents while powerful enemies close in. Rooftop chases, impossible clues, and one more world-changing secret push her to the limit.

Expelled from spy school and recruited by SPYDER, Ben goes undercover in the enemy's academy in this graphic adaptation. He knows a huge plan is in motion, but getting word out may be impossible.

This companion puzzle book lets readers crack codes, solve crosswords, and tackle spy-themed challenges with Ben's crew. It is part game book, part bonus material, and a fun side trip into the series.

After a mission fails badly, Ben ends up stranded in the wilderness with Murray Hill of all people. To get out alive, he has to outlast the terrain and stop a fresh revenge plot.

When elephants disrupt a football game, Teddy helps return them to their sanctuary and learns one is missing. At the same time, his best friend Xavier is blamed for vandalism, leaving Teddy to juggle two urgent cases.

Dash Gibson's first moon-base mystery gets a graphic novel treatment. When a scientist dies and no adult believes foul play was involved, Dash investigates before the killer moves again.

A hacker crashes power systems around the globe, and Ben's team is forced down in remote Indonesia. Cut off from the CIA, they have to hunt the villain through pirates, predators, and total technological chaos.

Ben's first field mission plays out in full color as he heads to the slopes to befriend Jessica Shang. Bad skiing, shaky cover stories, and constant danger make for a very tense school trip.

A baby gorilla is stolen from an orphanage in Rwanda, and Teddy joins the desperate search. While chasing clues across East Africa, he also helps Summer work a second mystery back at FunJungle.

When the adult Hale spies disappear on a mission in China, Ben and the other junior agents head after them. Their search leads from Shanghai to the Great Wall to the Gobi desert and straight into danger.