Publisher's Synopsis
Mario is the imaginary friend we all wished we had: he's clever, kind, and lots of fun. Mario likes to have friends, but he gets sad when his friends don't need him anymore...and that always happens when his friends find real friends. Mario wants to find a friend who will always want his company, and one day he meets Sam. The two become inseparable, read and play all the time, and even start drawing a comic. Everything's going really well until Sam meets Sammi, a girl who is real, like him. Mario is very sad knowing he'll soon disappear. But who knows? Maybe things will be different this time.