tp?Trade paperback. Any softcover book which is at least 7.25" (or 19 cm) tall, or at least 4.5" (11.5 cm) wide/deep.
Type: NOVEL
Notes:
Publ date, price, and cover image from Amazon.com 2018-04-27, when Amazon UK provides same data except "Buy New £2.99" and same image.
WorldCat library records (OCLC, below) for this ISBN as 2004 link thumbnail image of a very different front cover.
Price and cover should be checked, perhaps updated at Amazon for a later printing.