Wilbur and Orville: The Otter Twins (Zoo Babies)

Christmas Time at Santa's Workshop (A Troll Pop-Up Book)

Twin Sisters

The Wakefields Strike It Rich (Sweet Valley Twins, 56)

Witch Twins (Witch Twins)

The Bobbsey Twins' Mystery at Meadowbrook (Bobbsey Twins, No 7)

The Bobbsey Twins' Adventure in Washington

Bobbsey Twins 00: Mystery of the Deep Blue Sea

Bobbsey Twins 00: Mystery at School

The Bobbsey Twins and the Cedar Camp Mystery (Bobbsey Twins, No 14)