What if Lilo and Stitch was a book series?

Lilo and Stitch is considered one of Disney's best films in the 2000s, spawning sequels and a few TV shows. But what if it was a book series before a movie?

Changes

 * Lilo and Stitch would have been a book series created by Roald Dahl from 1968 to 19??.

Books

 * Lilo and Stitch (1968)