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

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

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

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

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

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

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

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

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

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