Jan von Plato, Saved from the Cellar. Gerhard Gentzen's Shorthand Notes on Logic and the Foundations of Mathematics - Springer International Publishing, 2017. Sources and Studies in the History of Mathematics and Physical Sciences, x + 315 pp., ISBN 978-3-319-42119-3 (hardback), EUR 109.99, GBP 82.00, ISBN 978-3-319-42120-9 (eBook), EUR 91, 62.