by Margaret Frith; iIlustrated by John O'Brien. by Margaret Frith; illustrated by Robert Squier. by Megan Stine; illustrated by John O'Brien. by Margaret Frith; illustrated by Andrew Thomson. by Avery Reed; illustrated by John O'Brien. by Gail Herman; illustrated by John O'Brien. by Roberta Edwards; illustrated by John O'Brien. by April Jones Prince; illustrated by John O'Brien. by Patricia Brennan Demuth; illustrated by John O'Brien. by Dana Meachen Rau; illustrated by John O'Brien.