The Mansion Next Door in Bloomington, MN

Leo - the teenaged neighbor boy - and a few new mysteries just arrived unexpectedly. Is Leo going to be a new friend or foe for Zach and Angie? Things get tricky as the secrets start piling up. Mr. McClevin seems awfully worried about antique elephants that he says are just old pieces of wood, Leo is up to something, and someone is sneaking around behind their back. Does Leo know more than they think or is everything just a coincidence?