The Bobbsey Twins on Blueberry Island in Bloomington, MN

Bert's eyes went to the labyrinth which he was so eager to finish. His heart gave a leap, and he stopped still. Over the top of the hedge near the entrance, he could see the head of an animal moving.
"It's a huge, brown bear!" Bert thought wildly.
The Bobbsey Twins -- Bert and Nan, Freddie and Flossie -- have won millions of fans since their first adventure. Now Grosset & Dunlap is proud to reissue the classic editions of these mysteries.