Monster's Proof

About The Book

Livey’s younger brother, Darby, a math genius, brings his imaginary friend to life through a mathematical proof. Bob is a creature of pure math, and he hates chaos and disorder. Now Livey, Darby, and some very unique allies must band together to find a way to stop Bob—before he fixes our disorderly world for good. Monster’s Proof brings horror and math together in an unforgettable novel that will forever change the way you look at an equation.

About The Author

Photograph by Noni

Richard Lewis is the son of American missionary parents. Although he attended university in the United States, he was born, raised, and lives in Bali, Indonesia.  He is the author of four books for young adults, including Monster's Proof, The Demon Queen and The Killing Sea.

Product Details

  • Publisher: Simon & Schuster Books for Young Readers (July 7, 2009)
  • Length: 288 pages
  • ISBN13: 9781416995777
  • Grades: 7 and up
  • Ages: 12 - 99
  • Lexile ® HL680

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