HopHop's Gallery - Hollister (Hop) David P. O. Box 39, Ajo, Arizona 85321 520-387-7688 hopd@cunews.info - Kickstarter for my new coloring book An opportunity to pre-order my new coloring book looking at conic sections, Kepler's laws, the Oberth Effect, Hohmann Transfers, Tsiolkovsky's rocket equation and other stuff related to going to space. Coloring book is $5 plus $5 shipping and handling ($10 shi
