Explore and Learn: Earth and Space (Explore and Learn Volume 1) by Sally Hewitt
Explore and Learn: Science and Technology (Explore and Learn Volume 2) by Sally Hewitt
Explore and Learn: The Natural World (Explore and Learn Volume 3) by Southwestern
Explore and Learn: People in Place and Time (Explore and Learn Volume 4) by Sally Hewitt
Explore and Learn: Me and My Body (Explore and Learn, Volume 5) by Helen Parker
Explore and Learn: Atlas of the World (Explore and Learn Volume 6) by Sally Hewitt