The first middle-grade novel from award-winning author Nicki Greenberg, this book is a classic whodunnit mystery set aboard a grand ocean liner in the 1920s. With first-class glitz and glamour and a deliciously plotted intrigue featuring an uppity stage star, a missing diamond, a leopard and a loveable cast of child sleuths, The Detective's Guide to Ocean Travel is an exciting romp on the high seas perfect for fans of Murder Most Unladylike and The Good Thieves.