The Bobbsey Twins on Blueberry Island is a children's book by Laura Lee Hope, originally published in 1922. It is part of the long-running Bobbsey Twins series, which follows the adventures of two sets of twins: Bert and Nan, who are eight years old, and Flossie and Freddie, who are four. In this book, the Bobbsey family goes on a vacation to Blueberry Island, a remote island in Lake Metoka. The island is known for its blueberry bushes, which grow...