Grade 4-6. This sequel to "Leon and the Spitting Image" (HarperCollins, 2003) offers the same laughs and preponderance of plot points involving saliva. Here, Leon Zeisel, potato-chip collector extraordinaire, works hard to create a voodoo doll powered by spit that will give school bully Lumpkin a turbowedgie. In the meantime, an invigorating and unorthodox new science teacher gets his class involved in a semester of studying Leons beloved snack, and the fifth grader enters the Chipapalooza, a potato-chip trivia and taste-test competition. Leons friends Lily-Matisse and P.W. continue to be his abettors, and he still lives in his mothers hotel with an extended family of employees and often-bizarre animals traipsing through the hallways. Playful drawings throughout, including presidential portrait chips on the endpapers, add greatly to the fun. Kids will enjoy this rollicking comedy. Ingredients: A trashy beginning, Leon Zeisel, a bully, a purple nurple, a wet Willie, 2 Howlitzers,...