Morris the Mankiest Monster ''must be the most revolting picture book of the year . . . children will absolutely love it.'' BooksellerGiles Andreae and Sarah McIntyre would like you to meet Morris, the world''s stinkiest picture book hero...It''s years since he last changed his t-shirtIt''s crusty and crawling with antsHis shoes are all slurpy and squelchy insideAnd potatoes grow out of his pants