A three-year-old rider scoots his push bike confidently through the mountains and mud, puddles and rain, and through a desertscape studded with cactus. He proudly puts on his favorite helmet as he rides with his dog, with his brother, and with his entire family. Zoom is an adventure book suitable for children ages 6 months to 4 years, filled with the colorful artwork of Kellie Day and the fun, endearing rhymes created by its authors, Jennifer Charrette and Marcia Kinne. Aimed at showing children what it means to live bravely and passionately, it follows the story of an active, happy youngster and his adventures on a balance bike- a type of first bike that kids propel by running rather than pedaling.