by Roberta Edwards ; illustrated by John O'Brien. by Roberta Edwards ; illustrated by True Kelley. by Roberta Edwards ; illustrated by Stephen Marchesi. by Roberta Edwards ; illustrated by Sylvie Wickstrom. by Avery Reed ; illustrated by John O'Brien. by Margaret Frith ; illustrated by John O'Brien. by Janet B. Pascal ; illustrated by John O'Brien. by Megan Stine ; illustrated by John O'Brien. by Jane O'Connor ; illustrated by John O'Brien. by Joan Holub ; illustrated by John O'Brien.