Download or read book The Riddle of the Spinning Sycamore Seed written by Ken Bowser and published by Red Chair Press. This book was released on 2022-08-21 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: While playing in her tree house, Jesse is intrigued by a falling sycamore seed that slowly spins to the ground. But when she sees acorns falling fast directly down to the ground, she must solve the riddle while learning about propellers and windmills and using technology to understand aerodynamics.