'The Baby-sitters Club' novels will get e-book releases

America's favorite babysitters will come to iPads and Kindles everywhere starting next month when the first 20 books in Ann M. Martin's children's series "The Baby-sitter's Club" are released in e-book format.

The series follows a group of mainly female middle school students who create a babysitting club in which parents can call and get whichever club member is available for the time they need versus having to call eight different babysitters separately. The books start out with four girls belonging to the club, and membership fluctuates during the series as members move away or quit, with several new students joining over the course of the series.

The e-books will be released on Dec. 1 and have the original covers from the series' first publication in the 1980s. Until the end of December, the series' publisher, Scholastic, will add new material on the books' Facebook fan page, including videos, photos and trivia as well as a new app through Facebook which will let "Baby-sitters" fans get a sneak peek at the e-books and take quizzes, among other activities.

The first book in Martin's series, "Kristy's Great Idea," appeared in 1986 and new titles appeared regularly until the 131st book, "The Fire at Mary-Anne's House," was published in 1999. The last book in the series, "The Summer Before," came out in 2010 and served as a prequel to the first book. The books were briefly out of print during the beginning of 2010 but were re-released before the publication of "The Summer Before" in May of that year.

While the series itself ran for 132 books, supplemental novels, including slightly longer "Super Special" books, were published, and two spin-off series titled "Baby-sitters Little Sister," about main character Kristy's younger sister Karen, and one about character Dawn when she moved to California titled "California Diaries," were published. "Little Sister" also got its own spin-off series, titled "The Kids in Ms. Coleman's Class," which followed Karen's friends.

The original books were adapted into a TV series for the Disney Channel that ran for one season in 1990, and the series was adapted into a 1995 movie of the same name with different actors, including Schuyler Fisk, Rachael Leigh Cook and Ellen Burstyn.

Martin told Entertainment Weekly that the series' enduring appeal lies in its storylines.

"The books tackle real life themes and issues that still resonate today — friendships, family, and seeking independence," she said.