From Maxim.com.SHEL SILVERSTEINThink twice about handing off a copy of The Giving Tree to a precocious tot; it's one of the few classic children's tomes still in print to feature a giant, frightening visage of its owner on the back cover. We're not sure if Shel just got out of prison, or if he just smelled onions.MAURICE SENDAKCurrent printings of Where the Wild Things Are have removed the