Put 'em all together, they spell Z-A-N-Y: two variations on the ever-popular mix-and-match-the-pages books are full of fun. Norman Messenger's Famous Faces (Dorling Kindersley, $14.95, all ages ISBN 1-56458-686-3 Apr.) dissects such luminaries as Princess Di and Groucho Marx (HRH with a mustache? Groucho in a tiara?). Gastronomic gags are the province of 1000 Silly Sandwiches by Alan Benjamin, illustrated by Sal Murdocca (Little Simon, $8.95 ages 2-4 ISBN 0-671-89830-2 Apr.), which contains myriad (un)appetizing culinary combos (``This soggy sandwich... has hamburger and hair... and baked beans and bats'').