Horizon Information Portal

	Series	Count
1.	Exploring the Roman world	1
2.	Exploring the science of nature	0
3.	See Burton, Jane. Exploring the science of nature	5
4.	Exploring the seasons	0
5.	See DeGezelle, Terri, 1955- Pebble plus. Exploring the seasons	2
6.	Exploring the solar system	0
7.	See Sparrow, Giles. Exploring the solar system	8
8.	Exploring the states	0
9.	See Blastoff! readers. 5, Exploring the states	53
10.	Exploring the subatomic world.	1
11.	Exploring the thirteen colonies	0
12.	See Exploring the 13 colonies	7
13.	Exploring the United States through literature series	7
14.	Exploring the universe (Austin, Tex.)	0
15.	See Kerrod, Robin. Exploring the universe	3
16.	Exploring the unknown	2