Oyayubi Hime Monogatari
English name: Thumbelina: A Magical Story
Genres: Adventure, Fantasy
Type: TV, Episodes: 26
Aired: Sep 30, 1992 to Mar 31, 1993
Studio: Meruhensha
Source: Book
Rating: G - All Ages
Synopsis:
A bratty girl named Mia is given a book, Thumbelina, which upon reading she is shrunk and transported into the world of the book. She embarks on a journey to return home, and to normal size making friends and learning lessons on the way, but that's only the beginning of her adventures.

(Source: ANN)