Trevillion, Paul., author. You are the umpire : 300 cricketing conundrums for you to solve/ Paul Trevillion & John Holder. - Great Britain : Cassell, 2019. - 160 pages illustrations (chiefly colour) ; 15x20 cm. Includes index. ISBN: 9780600635741 (paperback) Subjects--Topical Terms: Cricket.Cricket--Umpiring.