Sixers: A novel By Kavanagh, John Patrick Books / Hardcover Fiction › Sci-Fi & Fantasy ISBN: 1558023666 / Publisher: Lynx Books, January 1989 Price $20.85 Free Shipping Send to a friend Collectible - Good First Edition Signed With Dust Jacket Signed Copy First edition copy. Collectible - Good. Good dust jacket. Signed by author on front free endpage. Mildly soiled. (diseases, genetic engineering) $20.85 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.