Motion: Push and Pull, Fast an. This item is unavailable.Motion: Push and Pull, Fast an

Explore the concepts of motion by learning about movement, speed, force, and inertia.

PWB Biography Darlene R. Stille is a science writer and author of more than 80 books for young people. When she was in high school, she fell in love with science. While attending the University of Illinois, she discovered that she also loved writing. She was fortunate enough to find a career as an editor and writer that allowed her to combine both of her interests. Darlene lives and writes in Michigan. CPB Biography Darlene R. Stille is a science writer and author of more than 80 books for young people. When she was in high school, she fell in love with science. While attending the University of Illinois, she discovered that she also loved writing. She was fortunate enough to find a career as an editor and writer that allowed her to combine both of her interests. Darlene Stille now lives and writes in Michigan. Darlene R. Stille is the award-winning author of more than 80 books for young people, including collections of biographies. She grew up in Chicago and attended the University of Illinois, where she discovered her love of writing. She now lives and writes in Michigan.