Hooray for Helium! and Cheer for Chlorine! Bundle

Buy Both Books and Save

10% of Proceeds benefit Big Brother Big Sister

$10.95 each or buy both for $20
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Every book purchased directly from this website is signed by the author.

In addition, every Hooray for Helium! book comes with a balloon, and every
Cheer for Chlorine! book comes with a temporary tattoo!