Ultrathin magnetic structures. Vol. I: An Introduction to the electronic, magnetic and structural properties. Edited by J. A. C. Bland and B. Heinrich , Springer Berlin 1994, xvi, 350 pp., hardcover, DM 119.00, ISBN 3‐540‐57407‐7. Vol. II: Measurement techniques and novel magnetic properties. Edited by B. Heinrich and J. A. C. Bland , Springer, Berlin 1994, xvi, 350 pp., hardcover, DM 129.00, ISBN 3‐540‐57687‐8