Horizon Information Portal

	Series	Count
1.	Unsolved mysteries (ABDO Publishing Company : 2012)	6
2.	Unsolved mysteries (Rosen Publishing Group)	8
3.	Unstable fables	1
4.	Unstead, Sue, 1951- Beautiful bug series	1
5.	Unstoppable	0
6.	See 39 clues. Unstoppable	8
7.	See Anders, Charlie Jane. Unstoppable	1
8.	Unstoppable. Spoken word	0
9.	See 39 clues. Unstoppable. Spoken word	6
10.	Unsub novel	0
11.	See Gardiner, Meg. Unsub novel	3
12.	See Gardiner, Meg. Unsub novel (Random House Large Print)	1
13.	Unsub novel. Spoken word	0
14.	See Gardiner, Meg. Unsub novel. Spoken word	1
15.	Unsub novels	0
16.	See Gardiner, Meg. Unsub novel	3
17.	Unsung Americans	1