Let's Race! BEGINNER BOOKS-PB and school personnel

and school personnel

witty and revealing

Why do orangutan arms closely resemble human arms

it’s surprising

black flames shall engulf the earth

Let's Race! BEGINNER BOOKS-PB and school personnelIt might feel like time is speeding by, but Dr. Chris explains how special relativity is what actually makes time fly! Equip the next generation of scientists with a brand new series from Chris Ferrie, the #1 science author for kids! Time moves quickly when you're having fun! So why does it go so slowly when you're not? Red Kangaroo wants to know and Dr. Chris has the answers it's all a matter of special relativity! Chris Ferrie offers a kid friendly