This is volume 31 in Two Of a Kind .

This book has been graded for interest at 8-12 years.

There are 90 pages in this book. This book was published 2003 by HarperEntertainment .

Judy Katschke is the author of many books for young readers, from ready-to-reads and chapter books, to middle grade fiction and nonfiction. She lives in New York City. Mary-Kate and Ashley Olsen have been huge international stars since the age of nine months, when they shared the role of Michelle in the sit-com `Full House'. With videos, video games, CDs, dolls, books, a fashion line and a magazine under their belts, their market impact is phenomenal.