 | The Bobbsey Twin' Mystery at Meadowbrook | Hardback |
 | The Bobbsey Twins of Lakeport | Hardback |
 | The Bobbsey Twins on Blueberry Island | Hardback |
 | The Bobbsey Twins' Adventure in Washington | Hardback |
 | The Bobbsey Twins' Big Adventure at Home | Hardback |
 | The Bobbsey Twins' Mystery on the Deep Blue Sea | Hardback |
 | The Secret at the Seashore | Hardback |
