-Had Gadya/The Only Kid: Facsimile of El Lissitsky's Edition of 1919, edited by Arnold J. Band, contains just what the title promises: the folksong" Had Gadya," which is traditionally sung at Ashkenazic seders, and the illustrated book that the Russian avant-garde artist El Lissitsky (1890--1941) made of it in 1919. Although the song is usually a hit with children, the book--packaged elegantly, accompanied by annotated thumbnail illustrations and a scholarly yet clear introduction about the Jewish cultural renaissance in Russia between 1912 and the early 1920s and its impact on Lissitsky--will probably be of most interest to admirers of Lissitsky's more mature work, who will be startled by the contrast in theme and style. (Getty Research Institute,$ 24.95 paper 42p all ages ISBN 0-89236-744-X. Apr.).. by Latifa Berry Kropf, photos by Tod Cohen, uses large photos to follow along as a preschool class makes matzoh and charoset, conducts a seder and acts out the story of Passover. Endnotes explain the traditional rituals as well as some modern innovations (e.g., setting out a cup of water on the seder table to honor Miriam, Moses's sister). -With recipes like those for Baby Moses Salad (which uses a lettuce leaf for the basket, a fresh or canned peach half for the body and a large marshmallow for the head) and Chicken Soup for Beginners (aspiring cooks dissolve chicken bouillon cubes in boiling water and add carrots, celery stalks and dried dill), the" stay-flat" paperback Matzah Meals: A Passover Cookbook for Kids by Judy Tabs and Barbara Steinberg, illus.