Greg Roza 
What Happens When I Throw Up? [PDF ebook] 

There are many colorful terms for throwing up: puke, upchuck, spew, and lose your lunch, to name just a few. The words may sound funny, but anyone who has ever been sick will tell you there’s nothing funny about throwing up! This "gross" topic will fascinate readers, teaching them the science behind vomit and what causes it. Appropriate, relatable photographs and helpful diagrams complement the scientific yet accessible text.