A collection of Norman Rockwell's paintings which showcase the numbers 1 -- 20. In addition, 3 of his "April Fool's Day" paintings are included, in which readers are challenged to find all the things that are wrong in the picture; for example, doll's with old men's heads/faces. Plenty of funny things to search for, which will enthrall "I Spy" and "Where's Waldo" fans.A collection of Norman Rockwell's paintings which showcase the numbers 1 -- 20. In addition, 3 of his "April Fool's Day" paintings are included, in which readers are challenged to find all the things that are wrong in the picture; for example, doll's with old men's heads/faces. Plenty of funny things to search for, which will enthrall "I Spy" and "Where's Waldo" fans.