Describir: The child's world (3rd edition). The essential guide to assessing vulnerable children, young people and their families: edited by Jan Horwath and Dendy Platt, London and Philadelphia, Jessica Kingsley Publishers, 2018, 695 pp., ISBN: 978I785921162 – eISBN: 9781784503826, £26.99 (paperback), £26.99 (ebook)