Horizon Information Portal

	Series	Count
1.	Pebble plus. Exploring opposites	1
2.	Pebble plus. Exploring space	0
3.	See Rustad, Martha E. H. (Martha Elizabeth Hillman), 1975- Pebble plus. Exploring space	1
4.	Pebble plus. Exploring the galaxy	0
5.	See Adamson, Thomas K., 1970- Pebble plus. Exploring the galaxy	17
6.	Pebble plus. Exploring the seasons	0
7.	See DeGezelle, Terri, 1955- Pebble plus. Exploring the seasons	2
8.	Pebble plus. Extreme animals	1
9.	Pebble plus. Famous athletes	2
10.	Pebble plus. Famous firsts	1
11.	Pebble plus. Farm animals	7
12.	Pebble plus. Favorite food facts	2
13.	Pebble plus. Fighting fire	3