Puzzles for Spies: The brand-new puzzle book from GCHQ, with a foreword from the Prince and Princess of Wales

From the Publisher

Publisher ‏ : ‎ Puffin (22 Sept. 2022)
Language ‏ : ‎ English
Paperback ‏ : ‎ 336 pages
ISBN-10 ‏ : ‎ 0241579902
ISBN-13 ‏ : ‎ 978-0241579909
Reading age ‏ : ‎ 8 – 12 years, from customers
Dimensions ‏ : ‎ 15.24 x 2.54 x 21.59 cm