Download or read book Ivy and Bean What's the Big Idea? (Book 7) written by Annie Barrows and published by Chronicle Books. This book was released on 2010-09-22 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: When all the second grade students must enter the science fair, which has global warming as its theme, best friends Ivy and Bean team up to create an unusual project.