Backpack Decisions

Backpack Decisions

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"This one is perfect in every way, except that for some reason it's woven from a tungsten mesh, so it weighs 85 pounds and I'll need to carry it around on a hand cart." "That seems like a bad--" "BUT IT HAS THE PERFECT POCKET ARRANGEMENT!"

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!