Alexander keeps seeing monsters he has previously conquered, but every time he gets close they disappear and his friends are beginning to think he is delusional--but when one of their teachers turns into a blob of super-goop right before their eyes they realize the team is dealing with a shape-shifter, and it is after the Notebook of Doom.

Orphaned sisters Sabrina and Daphne are sent to live with their mysterious grandmother, Relda Grimm, who lives in a town in rural New York State that experiences an extraordinary number of unexplained and unusual crimes. In this book, the girls are pitted against a giant who has been rampaging through town. But who set the giant loose?

Frank the monster indulges his love of dancing by strutting his stuff on stage until his head unzips, his brains flop out, and he continues to lose body parts.

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?

"Daniel X is finally ready to take on the universe's most evil alien outlaw that killed his parents years ago, but he will need all his friends--and superpowers--to make it out alive"--

Adventure is coming, and Barclay Thorne is ready to answer. Something is wrong at the Sea. The weeping tide, a carnivorous algae bloom, is eating up all the fish. Beasts are terrorizing the nearby Elsewheres. And Lochmordra, the Legendary Beast, is rising at random and swallowing ships whole. Barclay's teacher, the famous Guardian Keeper Runa Rasgar, has been summoned to investigate, and as her apprentice, Barclay gets to join too. But Runa's nemesis...

Princess Magnolia is having hot chocolate and scones with Duchess Wigtower when ... Brring! Brring! The monster alarm! A big blue monster is threatening the goats! Stopping monsters is no job for dainty Princess Magnolia. But luckily Princess Magnolia has a secret -- she's also the Princess in Black, and stopping monsters is the perfect job for her! Can the princess sneak away, transform into her alter ego, and defeat the monster before the nosy duchess...

Doris throws a slumber party for Ben and her other monster friends, complete with games, snacks, and an effort to stay up all night.

"What should Carly Beth be for Halloween this year? Terrified! Late at night, an ugly green mask is mysteriously calling out to her, and ugly green masks don't like to be ignored" (publisher).

Even though Wolfboy claims he is not afraid of the Grumble Monster, things start to get spooky when he walks through the monster's lair with his rabbit Friends.