Gravity, magnetic and electromagnetic gradiometry: strategic technologies in the 21st century, 2nd edition: by Alexey V. Veryaskin, Bristol, IOP Publishing Ltd, 2021, 175 pp., $125.00 (hardcover), ISBN-13: 978-0750338011, ISBN-10: 0750338016. Scope: monograph. Level: advanced undergraduate student, graduate student, researcher. Issue 2 (3rd April 2022) - Resnick, Andrew