The Mystery of the Missing Mummy (The New Bobbsey Twins, No. 14)

Buried Treasure (Sweet Valley Twins, No 11)

The fourth floor twins and the silver ghost express (The fourth floor twins)

The Bobbsey Twins on Blueberry Island (Bobbsey Twins, No 10)

Inherited: Twins! (The Australians) (Romance, 3701)

Twins (Everything You Want to Know about)

The Secret in the Sand Castle (The New Bobbsey Twins #4)

CLUE FLEW AWAY #3 (The New Bobbsey Twins, No 3)

CASE RUNAWAY MONEY (The New Bobbsey Twins, No 2)

SEC PIRAT CAV BT P (Bobbsey Twins (Hardcover))