Monster Kid Detective Squad #3: Rico Gillman and the Case of the See-Through Woman

Book #3 in the Monster Kid Detective Squad series! Rico Gillman, a young sea monster in Frightsville, is having a fantastic time at the Saturday Swim Meet. But suddenly dark clouds gather and a shocking thing happens: a woman everyone can see right through appears on the high dive and seems to be calling for help. Rico finds out from his friend Theresa that the woman on the diving board is Theresa's great-great-grandmother, who disappeared a hundred years ago!Now Rico and Theresa are racing against the clock, turning to help from every monster, witch and helpful friend they know to rescue the see-through woman from another world!