Written by Abraham Peled and Bede Liu. Published in1976 by John Wiley and Sons.
Hardcover, Digital Filters and Signal Processing by Leland B Jackson 1996 Kluwer
Written by Leland B. Jackson. Published in1996 by Kluwer Academic Publishers. This hardcover book is in excellent condition. The red has lightened a bit over the years. Especially on the spine. There is a black W hand written on the external outside edge of the pages.