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.


Tiger's Destiny

By Colleen Houck
Splinter, 464 pp.: $17.95, for ages 12 and up

Book four in the "Tiger's Curse" quintet.