van Loon, A.T. 2020. Book review: Sedimentary structures (4th ed.), by John Collinson & Nigel Mountney, 2019. Dunedin Academic Press Ltd, Edinburgh, Scotland. xii + 340 pages. Paperback: price €40.00, £35.00, $35.00, ISBN 978-1-78046-062-8. Geologos. 26, 1 (Apr. 2020), 87–88. DOI:https://doi.org/10.2478/logos-2020-0007.