The treasure hunt is composed of 101 clues that either require you to have seen/read everything Alex Horne has ever worked on (one clue requires the reader to have read his book about birdwatching, for example, another requires you to track down a Countdown appearence around the time of his 30th birthday), or are poorly written as is the case for the majority.
Clue 19, for example, shows four emojis. 🦖 = 😲🦆🔨 . The answer is 'pterodactyl' but phonetically duck is very different to dac, so there's no satisfaction to the solution. It feels like a cheat. Even the best answers feel like groaners.
I'm a huge fan of puzzle books. Puzzle books that are worth their salt usually come with an answer section, in which the author can explain the solutions to each problem and how to get there. 3 years after publication, no such answers exist for this book. What does exist is a small section on the taskmaster website where you can check whether your answers are right or wrong, which is far less satisfying and almost completely disconnected with the book you are holding. I understand the motive of being innovative and more interactive, but it feels scatterbrained and unsatisfying.
Since the hardback publication, Horne has added additional hints in the paperback edition for 10 of the puzzles readers struggled with the most, almost in acknowledgement that the puzzles weren't well written in the first instance.
Despite being a huge fan of the show and having solved the first 25 clues, I decided that the book wasn't worth the effort it was demanding, and I abandoned the treasure hunt. I would not recommend this book.