Charles L. Barber ; illustrations by Diana Stradling. Charles Wilkinson ; illustrations by Diane Sylvain. John D. Palmer ; illustrations by Alan Tschudi. Stanley Coren ; illustrations by Andy Bartlett. Tom Markus, Linda Sarver ; illustrations by Linda Sarver. Arlo T. Janssen ; illustrations by Rosa Lopez. Barbara H. Foley; illustrations by Dan Reeves. David Fischer ; illustrations by Adam Wallenta. Max R. Terman ; illustrations by Virleen Bailey. Michael H. Gerardi ; illustrations by Brittany Lytle.