by Megan Stine; illustrated by John O'Brien. by Megan Stine; illustrated by John Hinderliter. by Joan Holub; illustrated by John O'Brien. by Megan Stine; illustrated by Tim Foley. by Megan Stine ; illustrated by Robert Squier. by Margaret Frith; iIlustrated by John O'Brien. by Megan Stine; illustrated by Ted Hammond. by Avery Reed; illustrated by John O'Brien. by Megan Stine; illustrated by Dede Putra. by Geoff Edgers; illustrated by John O'Brien.