When the Grim Reaper strikes the math department at a nearby university, P.C. and Mackenzie do some homework of their own and discover that almost everyone--parents, teachers, and students alike--had a motive to get this nutty professor out of the way.

Indexes popular fiction series for K-6 readers with groupings based on thematics, consistant setting, or consistant characters. Annotated entries are arranged alphabetically by series name and include author, publisher, date, grade level, genre, and a list of individual titles in the series. Volume is indexed by author, title, and subject/genre and includes appendixes suggesting books for boys, girls, and reluctant/ESL readers.

When their friend Tom is accused of murdering the chief biologist at the Museum of Natural History, P.C. and Mackenzie discover a mystery involving a world-famous necklace, an anthropologist trained in hypnosis, and a fat hairy tarantula named Aristotle.

Includes audio versions, and annual title-author index.