Meet Mary-Kate and Ashley, the Tween Queen Twins! Your new best friends have just arrived...

It's April Fool's Day, and Mary-Kate and Ashley plan to go down in White Oak history as the best pranksters ever. But when they take a joke too far, they put the headmistress's job on the line. And this time, it's no laughing matter!

By Judy Katschke.
From the series created by Robert Griffard and Howard Adler.

This book features in the following series: 2 Of a Kind, Mary Kate And Ashley, Two Of a Kind .

There are 112 pages in this book. This book was published 2003 by HarperCollins Publishers .

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.