PENGUINS, PENGUINS, EVERYWHERE! (Chronicle, 2007) BUG SAFARI (Holiday House, 2004) PARADE DAY (Holiday House, 2003) STARS! STARS! STARS! (Chronicle, 2002) DINOSAUR BONES (Chronicle, 2001) FISH WISH (Chronicle, 2000) WALK THE DOG (Chronicle, 2000) BUGS! BUGS! BUGS! (Chronicle, 1999) TO EVERYTHING (Chronicle, 1998) WHICH WAY TO THE REVOLUTION? (Holiday House, 1998) DINOSAURS DEPART (Bantam, Double Day, Dell, 1996) DEM BONES (Chronicle, 1996) HOW TO WEIGH AN ELEPHANT (Bantam, Double Day, Dell, 1995) SPACE RACE (Bantam, Double Day, Dell, 1995) TOO MANY DINOSAURS (Bantam, Double Day, Dell, 1995)