The Practice of Ritual Magic: Powerful AIDS to Concentration and Visualization

Nebula Awards 33: The Year's Best Sf and Fantasy Chosen by the Science-Fiction and Fantasy Writers of America (Nebula Awards, No.33)

Magic in Ithkar 3

Insect Invaders (Magic School Bus Chapter Books (Paperback))

Magic School Bus Meets the Rot Squad: A Book of Decomposition

The Magic School Bus in a Pickle: A Book About Microbes (Magic School Bus Book Series)

Horticultural science

The Hidden Connections: Integrating The Biological, Cognitive, And Social Dimensions Of Life Into A Science Of Sustainability

Just One Fool Thing After Another: A Cowfolks' Guide to Romance

Through Alien Eyes (Ace Science Fiction)