Instead, Ms. Rowling volunteered to write the two spin-off books.

The franchise now includes calendars and spin-off books.

Jack has four published comics books, spin-off comic books, and a growing fan base.

A spin-off book was published in November 2005.

These merchandise includes a few action figures, but more prominently novels and spin-off comic books.

The video was translated into 18 languages and spawned a series of spin-off books, including Fish!

In 2009 a spin-off book titled Uncle Andy's Cats was published.

By the mid 1980s, he turned fantasy author and wrote a series of spin-off books in the Lone Wolf universe.

A number of spin-off books and television series have also been produced.

It was joined by a sister title, Living, and numerous spin-off books were published.