“Avotaynu, Inc. is the leading publisher of products of interest to persons who are researching Jewish genealogy, Jewish family trees or Jewish roots. The books we sell are meant to assist you in your research—from beginner guides to books about Jewish surnames.”
Avotaynu has a list of recommended material for Jewish genealogy research which can be purchased from their site. It might be useful to search some alternative websites listed at OnGenealogy.com for free alternatives (including google books, Family Search books, etc.).
Avotaynu also has a subscription magazine devoted to Jewish genealogy. “Published quarterly, our contributing editors from 15 countries throughout the world regularly gather important information that appears in our issues. Our publishers, Gary Mokotoff and Sallyann Amdur Sack, are on a first name basis with officials at institutions containing genealogical data throughout the world. Some institutions are YIVO Institute, American Jewish Archives, American Jewish Historical Society, U.S. National Archives, U.S. Library of Congress, U.S. Holocaust Memorial Museum, Leo Baeck Institute, U.S. Holocaust Museum, Yad Vashem and Central Archives for the History of the Jewish People.”