Often a television series becomes so successful and popular or attains such a cult status that the franchise produces books either directly based on it (adapted from the episode scripts) or strongly inspired by it (but describing new adventures of the characters).
The following is a list of television series which were used as the basis for novels (see also Category:Novels based on television series).
All About Us see: All About Us novels
Angel; see: List of Angel novels
Beauty and the Beast; see: Beauty and the Beast novelizations
Being Human; see: Being Human novels
Beverly Hills, 90210; see: Beverly Hills books
Buffy the Vampire Slayer; see: List of Buffy the Vampire Slayer novels
Castle; see Castle tie-in works
Catweazle; see: Catweazle novels
Charmed; see: List of Charmed books
Class; see: Class books
CSI: Crime Scene Investigation; see: CSI novels
CSI: Miami; see: CSI novels
CSI: NY; see: CSI novels
Dad's Army; see: List of Dad's Army books and memorabilia
Dallas; see: Dallas books
Dark Shadows; see: Dark Shadows books
Dr. Quinn, Medicine Woman; see: Dr. Quinn books
Doctor Who; see: List of Doctor Who novelisations
Dynasty; see: Dynasty books
Flight 29 Down; see: Flight 29 Down books
Full House; see: Full House books
Ghost Whisperer; see: Ghost Whisperer novels
Grimm; see: Grimm novels
Hannah Montana; see: List of Hannah Montana books
Highlander: The Series; see: Highlander: The Series novels
Life on Mars; see: Life on Mars novels
Lizzie McGuire; see: Lizzie McGuire books
Millennium; see: Millennium books
Monk; see: Monk books
Murder, She Wrote; see:
My So-Called Life; see: My So-Called Life novel
Once Upon a Time; see: Once Upon a Time novel
The Originals; see: The Originals novels
Primeval; see: List of Primeval books and novelisations
Quantum Leap; see: Quantum Leap books
Revenge; see: Revenge book
Roar; see: Roar books
Roswell; see: Roswell novels
Sabrina, the Teenage Witch; see: Sabrina books
The Sarah Jane Adventures; see: The Sarah Jane Adventures books
The Secret World of Alex Mack; see: List of The Secret World of Alex Mack books
Smallville; see: Smallville novels
So Little Time; see: So Little Time books
Space: 1999; see: List of Space: 1999 books and other media
Space: Above and Beyond; see: Space: Above and Beyond books
Star Trek; see: List of Star Trek novels
Teen Wolf; see: Teen Wolf novels
Torchwood; see: List of Torchwood novels and audio books
The Tribe; see: The Tribe novels
Twin Peaks; see: Twin Peaks books
Two of a Kind; see: Two of a Kind books
The Vampire Diaries; see: Stefan's Diaries
The X-Files; see: The X-Files literature
The following is a list of web series which were used as the basis for novels.
I Heart Vampires; see: I Heart Vampires: Birth (A Confessions of a High School Vampire Novel)