Full AspenCat Catalog

Describes how the circulatory system works and what it does for the body.

Chip, an invisible boy, and his friends solve the mystery of who took the school ball from the playground.

When the Invisible Inc gang makes computer greeting cards to raise money to invite an author to school, they solve the mystery of the author's real name.

After finding a mysterious stone and an old casebook, fourteen-year-old Arthur finds himself remembering the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works with three friends in London to solve the mystery of sinister puppets who are replacing real people.

In a British alternative high school, fifteen-year-old Heidi stands out in many ways, but when she invents a boyfriend--complete with online profile--her friends turn to him for advice and she must decide how far she is willing to go to find acceptance.

"Macro photography zooms in on bug eyes, jaws, hairs and more to reveal how unique features of bugs help them adapt to their habitats"--Provided by publisher.

Halloween brings out the worst in fourth-grader Henry Wolowitz and his invisible, squash-eating friend Inkling, as Henry tries to go trick-or-treating while keeping Inkling from eating all the jack-o-lanterns.

On leave from her FBI researcher career, Emmy Dockery tries to convince her boyfriend that hundreds of unsolved cases are linked to a single perpetrator. "Everyone thinks Emmy Dockery is crazy. Obsessed with finding the link between hundreds of unsolved cases, Emmy has taken leave from her job as an FBI researcher. Now all she has are the newspaper clippings that wallpaper her bedroom, and her recurring nightmares of an all-consuming fire. Not even...

One thing any Librarian will tell you: the truth is much stranger than fiction... Irene is a professional spy for the mysterious Library, a shadowy organization that collects important works of fiction from all of the different realities. Most recently, she and her enigmatic assistant Kai have been sent to an alternative London. Their mission: Retrieve a particularly dangerous book. The problem: By the time they arrive, it's already been stolen....