Turtle is worried about his friends

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Dany tunes in to hit TV show My Magical Best Friend

Designed to help your inner artist

Grossology: The Science of Really Gross Things! Eric Rosswood Turtle is worried about hisCelebrate over 30 years of Grossology with this exciting hardcover edition, featuring newly designed interior pages! This classic of modern gross scholarship now has a whole new look. Complete with hilariously disgusting illustrations and fun activities, this guide to all things gross covers everything from barf to farts to scabs. Discover the science behind the sickeningly cool stuff that comes out of our bodies!