The Bobbsey twins the coral turtle mystery di Hope, Laura Lee

The Bobbsey twins in a TV mystery show di Hope, Laura Lee

The Bobbsey twins the Smoky Mountain mystery di Hope, Laura Lee

The Bobbsey twins the freedom bell mystery di Hope, Laura Lee

The Bobbsey twins on the sun-moon cruise di Hope,Laura Lee

The Bobbsey twins and the flying clown di Hope,Laura Lee

The Bobbsey twins and the cedar camp mystery di Hope,Laura Lee

The Bobbsey twins and their camel adventure di Hope,Laura Lee

The Bobbsey twins' visit to the great West di Hope,Laura Lee

The Bobbsey twins and the greek hat mystery. di Hope,Laura Lee