Neon's Secret Universe Books in Order

Neon's Secret Universe starts with a great correction to a very old myth: unicorns are not horses with horns. In Sibeal Pounder's version, they are powerful magical beings who look human and live in a hidden realm called the UNIverse. The girl at the center is Neon Gallup, who stumbles into that realm after finding the last remaining portal opener, a battered green lipstick. It is a wonderfully bad object to hand to a child who is curious, impulsive, and not built for keeping quiet.

The fun of the series comes from that collision between ordinary life and total magical overload. Neon moves between our world and a place where magic is made with goo, the rules are slippery, and strange creatures and stranger fashions are part of the landscape. Pounder clearly enjoys giving the UNIverse its own logic while never letting it become too tidy. The books feel bright, messy, and always in motion.

Nothing here is subtle, and that is exactly the point.

Neon is the sort of heroine who charges forward before she has a plan. That keeps the comedy moving, but it also gives the series its heart. She wants to understand what is happening to her, protect the people she cares about, and work out where she really belongs. As the books go on, her connection to the UNIverse becomes bigger and more personal, and friends like Moya and Geldie become part of the team she relies on.

The longer arc is about secrecy and discovery. Portals have to be protected. Human beings cannot be allowed to uncover the truth too easily. And some humans, especially the unicorn hunters who start closing in later in the series, would love to capture or destroy what they do not understand. That gives the books a steady forward pull without losing the comic tone. There are dangers, but they are filtered through jokes, chase scenes, and the constant sense that Neon is one poor decision away from making everything much worse.

If you like middle-grade fantasy that plays fast and loose with old folklore, this series has a lot to offer. It is full of bright language, secret identities, family-sized mysteries, and magic that behaves more like a science experiment gone weird than a solemn ancient force. The emotional center stays simple: friendship, courage, and figuring out who you are when the story you were told about yourself stops making sense.

Come for the unicorns, stay for the goo.