Bruce Coville

Best friends Jake and "Weird Lily" enter the monster-filled land of Always October, made famous in Jake's grandfather's books, to save a foundling who becomes a monster during the full moon.

A timid boy, eager to frighten the school bully on Halloween night, acquires a magic ring and the power to change himself into a hideous monster.

Charlie, a sixth-grader with a compulsion to tell lies, acquires a mysterious skull that forces its owner to tell only the truth, causing some awkward moments before he understands its power.

Can the gang save the world before it's too late?
When it comes down to adults versus kids, who's going to believe the kids—even if they are geniuses? That's the problem the A.I. Gang faces when they find themselves locked in a death-defying final showdown with the mysterious Black Glove.
Contending with danger and disgrace, the team fights on with only the help of a mysterious friend to give them an occasional clue.

...

Having jumped into Luster, the land of unicorns, Cara makes a perilous journey to bring back her grandmother, The Wanderer, in order to release the Queen of the unicorns and allow her to die.

Nina Tanleven thought that auditioning for a play at the famous old Grand Theatre was scary--until she saw a ghost sitting in the audience!

A collection of nine short stories featuring an angel, unicorn, vampire, werewolf, and other unusual creatures.

Peter, a typical seventh-grader, finds himself touring the planet with his friends Susan and Duncan, and with three aliens in disguise. Their mission is to file a report that will report the Earth's future in the universe.

When Peter Thompson discovers that his newest teacher glows in the dark he's flying away from Earth in a spaceship full of aliens and there's no one he can call.

Danziger's beloved character Amber Brown returns in a new book. Amber can't wait to be Best Child when her mom and Max get married, but planning a wedding comes with lots of headaches. Even though adults can be a lot of work, Amber is determined to be the best Best Child ever. Illustrations.