Secret Weapons : Defenses of Insects, Spiders, Scorpions, and Other Many-Legged CreaturesBy Thomas Eisner, Maria Eisner, Melody Siegler
Belknap Press, 2005
A very nice introduction to Thomas Eisner's work on chemical ecology of arthropods. If you haven't read any of his work, you are in for a treat and an inspiration.
It is full of great facts and references that would be great for fleshing out guide pages.