What do many young-adult bestsellers have in common? The fact that they're not standalones—some of the hottest new titles this fall offer a continuation of many series in the form of sequels or prequels.
By Ally Condie
Dutton, 384 pp.: $17.99, for ages 12 and up
The conclusion to the "Matched" trilogy.
Days of Blood & Starlight
By Laini Taylor
Little, Brown, 528 pp.: $18.99, for ages 15 and up
The second book in the "Daughter of Smoke & Bone" trilogy.
By Colleen Houck
Splinter, 464 pp.: $17.95, for ages 12 and up
Book four in the "Tiger's Curse" quintet.