Antigravity Handbook (Lost Science) by David Hatcher Childress (1994-11-30) $53.16 Buy Now SKU: B01K0RVRLI Category: David Hatcher Childress Description Description Antigravity Handbook (Lost Science) by David Hatcher Childress (1994-11-30) Related products Lost Continents & The Hollow Earth4 out of 5 $16.95 Buy Now INSIDE THE GEMSTONE FILE (Mind Control/Conspiracy S)4 out of 5 $15.29 Buy Now Sale! The Time Travel Handbook: A Manual of Practical Teleportation & Time Travel4 out of 5 $18.95 Original price was: $18.95.$14.74Current price is: $14.74. Buy Now Sale! Anti-Gravity and the World Grid (Lost Science (Adventures Unlimited Press))4 out of 5 $14.95 Original price was: $14.95.$11.62Current price is: $11.62. Buy Now