• Capyboppy
• Farewell to Shady Glade
• Pigs from 1 to 10
• Roman Numerals I to MM: Liber De Difficillimo Computando Numerum
• When a Line Bends . . . A Shape Begins
• Inchworm and a Half
• A Remainder of One
• One Hundred Hungry Ants
• Find the Constellations
• The Stars: A New Way to See Them
• Swimming with Hammerhead Sharks
• The Wildlife Detectives: How Forensic Scientists Fight Crimes Against Nature
• Once A Wolf: How Wildlife Biologists Fought to Bring Back the Gray Wolf
• The Snake Scientist
• Gray Wolf, Red Wolf
• Prairie Dogs
• Return of the Wolf
• Where the Bald Eagles Gather
• Bump! Thump! How Do We Jump?: Experiments Outside
• Dig and Sow! How do Plants Grow?: Experiments in the Garden
• Munch! Crunch! What’s for Lunch?: Experiments in the Kitchen
• Splish! Splosh! Why Do We Wash?: Experiments in the Bathroom
• I Wonder Why Camels Have Humps: and Other Questions About Animals
• I Wonder Why Castles Had Moats: and Other Questions about Long Ago
• I Wonder Why I Blink: and Other Questions About My Body
• I Wonder Why Snakes Shed Their Skin: and Other Questions About Reptiles
• I Wonder Why Spiders Spin Webs: and Other Questions About Creepy Crawlies
• I Wonder Why Stars Twinkle: and other Questions About Space
• I Wonder Why the Sea is Salty: and Other Questions About the Oceans
• What's Under the Log?
• What's in the Meadow?
• What's in the Pond?
• What's in the Tide Pool?