Hubie feels left out when his teacher announces a class costume party and he, unlike his classmates, has no ideas about what to wear.

Hubie has been invited to a New Year's Eve sleepover, but has never spent the night away form home. What happens if he gets sick and what's all the talk about making a New Year's resolution?

The Notebook of Doom is missing and Alexander and his fellow-monster hunters, Rip and Nikki, are convinced that the boss-monster has it; but is that monster the mysterious Principal Vanderpants, who is certainly behaving oddly, or someone else--and they need to figure that out quickly because a mistake could have deadly consequences for Stermont Elementary.

The Discover Cryptids filming crew, also known as the Monster Hunters, head to Lake Tahoe to investigate the monster Tahoe Tessie--but get tangled up in a different kind of mystery instead.

Determined to buy a Marvelous Monster Magnet, Hugo and Boone set out to earn the money on an adventure through the woods, where they meet some interesting new friends.

Hubie's class is giving thanks for the things they enjoy most, but how can Hubie be thankful when none of his friends will make a float with him? How can Hubie eat all of the food for Thanksgiving dinner?

After getting so bundled up that he can hardly move, Hubie tries to enjoy his snow day off from school.

Auggie loves his job at the Fabled Stables and when he and Fen enter a portal on a quest to rescue a beast called the Shibboleth they must work together to find a way to calm the very hungry monster.