Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
Spatial Orientation

Spatial Orientation

(alt-text)

Here, if you know the number of days until the vernal equinox, I can point you to the theater using my pocket Stonehenge.

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—out now. Order it here!