Fan favorites Byron Erickson and Cesar Ferioli are back with “Immaterial World,” a nail- biting Halloween adventure in which Mickey joins the ranks of the dearly departed... or does he? Next, in Stefan Petrucha’s “Brat Trick,” Mickey and Goofy must baby sit the demonic son of a sorcerer! Kari Korhonen rounds out the book, asking Donald to “Know Thy Neighbor” even if he’d rather not!