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Current edition

502 pages hardcover 2024

nonfiction science hopeful informative inspiring medium-paced
Other editions (3)
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21 hours, 54 minutes audio 2024

nonfiction science hopeful informative inspiring medium-paced

400 pages digital 2024

nonfiction science hopeful informative inspiring medium-paced

471 pages digital 2024 user-added

nonfiction science hopeful informative inspiring medium-paced