Authors with a + by their names write across several genres. For example, Madeleine L'Engle's Austin Family series is contemporary fiction and her Time Trilogy series is science fiction.
Contemporary Fiction
+ Avi
Natalie Babbitt
+ Eve Bunting
Frances Hodgson Burnett
Sharon Creech
Kate DiCamillo
Jack Gantos (Joey Pigza series)
E. L. Konigsburg
+ Gail Carson Levine
+ Lois Lowry
Ben Mikaelsen
+ Katherine Paterson
+ Cynthia Rylant
Jerry Spinelli
+ Stephanie Tolan
+ Cynthia Voigt (Tillerman series)
Fantasy
Lloyd Alexander
+ Susan Cooper (Dark is Rising series)
+ Bruce Coville (Magic Shop books)
Brian Jacques (Redwall series)
+ Diana Wynne Jones
+ Madeline L'Engle (Time Triology)
C. S. Lewis (Chronicles of Narnia)
Janet Taylor Lisle
Garth Nix (Seventh Tower series)
J. K. Rowling (Harry Potter series)
Historical Fiction
+ Joan Aiken
Karen Cushman
Jean Craighead George
+ Patricia Reilly Giff
+ Karen Hesse
+ Kathryn Lasky (also writes nonfiction)
+ Scott O'Dell
Ann Rinaldi
Elizabeth George Speare
Rosemary Sutcliff
+ Laurence Yep (Dragonwings series)
Adventure
Will Hobbs
+ Gordon Korman (Island series)
Iain Lawrence
Gary Paulsen (Hatchet series)
Robert Stevenson
Mystery
Joan Aiken
John Bellairs (Johnny Dixon series)
Lois Duncan
Bruce Hale (Chet Gecko series)
+ Zilpha Keatley Snyder
Wendelin Van Draanen (Sammy Keyes series)
Barbara Brooks Wallace (Jean Karl series)
Science Fiction
K. A. Applegate (Remnants & Animorphs)
Margaret Peterson Haddix (Among the series)
Ursula Le Guin (Earthsea series)
Tamora Pierce (Song of the Lioness series)
+ William Sleator
