Rabbit Holes
Spines

Our World in Pictures 
N/A

DK’s Science as You’ve Never Seen it Before

• pg. 171 (endoskeleton vs. exoskeleton)
• pg. 200
• pg. 136-137 (fossils)

Book Extensions

• Ocean: Waves for Us All
• Trilobites (Susan H. Gray)
• There's a Skeleton Inside You! by Idan Ben-Barak 
• Stones and Bones: Fossils and the stories they tell by Rob Wilshaw 
• Try a Bite, Trilobite!: Ready-to-Read Level 1 by Jonathan Fenske
• Fossils Tell of Long Ago (Let's-Read-and-Find-Out Science 2)
• The Fossil Keeper's Treasure: With Amazing Fossils to Touch by Amy Atwater 
• An Anthology of Fossils: A Collection of Plant and Animal Fossils From Around the World (DK Little Anthologies) by Dean Lomax (WILL BE AN OPTIONAL REFERENCE NEXT SEMESTER)
• Ocean Renegades! (Earth Before Us #2): Journey through the Paleozoic Era (graphic novel)