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Macmillan Childrens Publishing Group

John O'Brien

JOHN O'BRIEN is lieutenant lifeguard on the Jersey shore and has been dedicated to beaches and beach safety for the past thirty-five years. The illustrator of many popular children's books-including This Is Baseball, This Is Figure Skating, and This Is Soccer-he divides his time between the Jersey shore and Miami, Florida.

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<a href="http://us.macmillan.com/author/johnobrien#media">Book Trailer for Blockhead by Joseph D'Agnese</a>

Book Trailer for Blockhead by Joseph D'Agnese

Math + Nature = Fibonacci! This trailer showcases Blockhead: The Life of Fibonacci. Author Joseph D'Agnese and illustrator John O'Brien present the story of the famed medieval Italian mathematician who discovered the legendary number sequence that bears his name.

Blockhead

Blockhead

Joseph D'Agnese; illustrations by John O'Brien
Holt Books for Young Readers
Henry Holt and Co. (BYR)

As a young boy in medieval Italy, Leonardo Fibonacci thought about numbers day and night. He was such a daydreamer that people called him a blockhead.

The boy who was once teased for being a blockhead had discovered what came to be known as the Fibonacci Sequence!

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This Is Baseball

This Is Baseball

Margaret Blackstone, illustrated by John O'Brien
Square Fish
Square Fish

Pithy, declarative sentences and bright, happy pictures introduce very young children to a baseball game--from bat, ball, and glove to the game-winning home run.

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