Complaints, INCorporeal is a young adult murder mystery that focuses on the themes of appearances, charity, and self-acceptance. Tobias Cherub, a guardian angel, gets stuck with an infamous client, Entwistle P. McGRRRumble - a grumpy, old curmudgeon, who isn't nice whatsoever. In fact, he's the 'meanest weed in the garden of chamomiles' that ever was And while Tobias wants to "kick Entwistle in the keister" in order to get him to behave, he handles the old curd with poise and professionalism. But when Entwistle complains that there is a case of "inspiritin'" or murder going 'round A Nether World Transitional Center, Tobias uses everything he's got to defend his troublesome ward, learning in the end that perhaps this whining, grousing, bellaching old timer isn't as bad as he seems Maybe the Big 'GRRR' has simply got cause for complaint.