Download or read book Explore Mercury written by Liz Milroy and published by Lerner Publications ™. This book was released on 2021-01-01 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Embark on a journey to get closer to the sun than you ever have before. Readers will discover more about Mercury, the smallest planet in our solar system, and see how it compares to the other rocky planets. Access a downloadable 3D printer model from NASA via Page Plus QR codes.