Book 1: A Great Break (ay, a-e, ai, a, ea, ey); Book 2: The Search Begins (ee, ei, ie, ea, e-e, e, y); Book 3: Rainbow Fish (o-e, oe, o, o, oa, oe); Book 4: On with the Search (er, ur, ir, or, ear); Book 5: A Long Way Down (ow, ou,& oi, oy); Book 6: A Gruesome Monster (oo, ou, ew, u, ue, u-e); Book 7: Time is Running Out! (igh, i, i-e, ie, y); Book 8: An Awful Planet (a, aw, au, awe, al, ough); Book 9: No Time to Spare (air, ear, are, ere, eir); Book 10: Dark Times (ar).