Pack up sandcastle-building supplies, sunscreen, and this take-along activity book that turns a day at the beach into a learning adventure, with search & find challenges, sand games, and at-the-beach science and crafts. In the second book of the Backpack Explorer series from the Editors of Storey Publishing, little beachcombers are encouraged to discover all the wonders of saltwater oceans and freshwater lakes, from identifying shorebirds...