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Review with Spoilers for The Puzzle Box

10.22.2024 by Jen Ryland // Leave a Comment

I did enjoy The Puzzle Master, though I also had some issued with it. What did I think of this next installment in the series? Check out my Review with Spoilers for the Puzzle Box by Danielle Trussoni!

Graphic for my review of The Puzzle Box with Spoilers. The book's cover, which features a purple Japanese dragon motif, on a bright yellow background

The Puzzle Box by Danielle Trussoni: Jen’s Quick Take

  • Published on October 8, 2024 by Random House; 336 pages
  • A fun thriller format perfect for fans of books like The Da Vinci Code
  • Set in Japan, this book features protagonist Mike Brink attempting to open a legendary puzzle box that has remained unsolved since the 1800s.
  • The Puzzle Box ditched the plot elements (weird insta-love, excessive info-dumping, haunted dolls) that I felt detracted from the story in The Puzzle Master
  • Do you have to read The Puzzle Master before The Puzzle Box? While the books share some recurring characters, I think you can read The Puzzle Box on its own!

Review of the Puzzle Box With Spoilers

Original graphic for The Puzzle Box Review by Jen Ryland. Th book's cover on a Japanese background of scallops and a floral motif
This graphic shows seigaiha, or infinite waves, which is a design featured in the book.

If I think an author has something interesting to say, I will never give up on them after one book.

I felt that The Puzzle Master incorporated a few too many ideas (the cypherpunk movement, Bitcoin, telepathy, Jewish mysticism, feminine mystery cults, demonic possession, and a haunted doll, to name a few.)

Plus, I took issue with the instalove: the fact that the main character, a super-analytical guy who designs puzzles, meets and falls instantly in love with a woman locked in a psychiatric hospital for murdering her boyfriend.

But it was almost as if the author of The Puzzle Master read my mind (I think book one also had a telepathy angle!), because The Puzzle Box has none (well very few) of these elements. And NO haunted doll!

What did The Puzzle Box have?

  • A fast paced escapist plot with a lot of action
  • More focus on Mike and less on romance and niche intellectual issues
  • A deep dive into Japanese history, including a fascinating deep-dive on gender and royal succession in Japan
  • A great travelogue around Tokyo, Kyoto, Edo, and Kyushu
  • References to The Da Vinci code (which this book definitely reminded me of!)

What Happens in The Puzzle Box by Danielle Trussoni?

  • Mike and his dog Connie are back
  • He’s invited to fly to Japan to try to open the Dragon Box, a legendary puzzle box created at the beginning of the Meiji period, a time when Japan transformed from a feudal society to a “modern” nation. Emperor Meiji hid an important secret in the box.
  • The box can only be opened in the Year of the Dragon (so every twelve years)
  • Everyone who has tried to open the box over the years has either died or disappeared

Such a fun book! Dive in and then come back and join our Spoiler Discussion for the Puzzle Box!

The Puzzle Box Plot Spoilers and Plot Summary

SPOILERS BELOW! To protect readers who HATE being spoiled you will need to click on the blue “Show Me” box below and log in with a Grow account, Facebook, or Google. By doing so, you will be added to my email list and receive weekly updates about new books! For more information on why I protect my spoilers, please read this post! If you are having any issues check this tutorial OR leave a comment below as I want to help!


  • Mike is invited to open The Dragon Box by Sakura, a young Japanese gamer. She is representing the Japanese emperor.
  • Sakura and her sister Ume were raised by their Aunt Akemi after the tragic death of their parents. Akemi works for the Japanese royal family and Ume has embraced life running a female-only dojo.
  • Ume is obsessed by the fact that the lineage of female rulers in Japan was ended with the Meiji Restoration, when male primogeniture was instituted. Akemi and Ume desperately want what is in the Dragon Box
  • Ume met Jameson Sedge (the evil billionaire from book one) after her parents were killed. Quick refresher: Sedge ran a bitcoin firm and was a transhumanist, and wanted to use technology to become immortal. After Sedge died in book one, his consciousness was downloaded and he lives virtually through his minion, Cam Putney.
  • Mike is able to open the Dragon Box, which contains a scroll of paper in a glass capsule containing bulbs filled with liquid. If the capsule is opened, the paper will be destroyed.
  • Mike abruptly leaves the scroll and goes on the run with Sakura. The scroll is a red herring.
  • Mike finds a tile in the box. He and Sakura go on a physical treasure hunt to find other tiles. They are looking for the jewel of Amaterasu, one of a group of artifacts that are part of a single text. The jewel is also a symbol of the divine feminine (I won’t go too much into this, but it’s an interesting fictional spin on the disenfranchisement of female rulers in Japan.)
  • All the while, Mike and Sakura are chased by Ume and Cam Putney. Rachel (the scholar of female cults from book one) joins Mike and Sakura and of course knows a LOT about the divine feminine.

The Ending of the Puzzle Box Explained

  • Sakura fights Ume to give Mike and Rachel a chance to escape and continue their quest. Surprisingly, Sakura is able to defeat her well-trained sister.
  • Rachel tells Mike that she thinks he is a “culture hero.” He alone can unlock valuable knowledge and Sedge knows this. Mike is the key to ALL KNOWLEDGE IN THE WORLD. (Rachel starts to sound a little nutty here, but she is CONVINCED.)
  • Mike finds a beautiful jeweled box, but is discovered by Cam, who is tired of Sedge’s evil ways and says he wants to help Mike.
  • Mike gives the jeweled box to the female descendent to Amateratsu, Princess Aiko of Japan (who is a real person.)
  • Princess Aiko, “rightful descendant of the Chrysanthemum Throne” opens the box in the presence of her parents, the Emperor and Empress, and finds a piece of jade.
  • Ume gets tried for treason. Sakura and Rachel try to tell Mike he needs to “lighten up” and try to be happy.

What did you think of the book? Talk to me in comments! Questions are welcome and spoilers are fine!

Categories // Reviews Tags // adult fiction, new books, thriller

About Jen Ryland

Over 12 years of book blogging and reviewing, I have read over 1500 books. A fair and honest reviewer who loves book discussions, I'm here to help you find a book you'll love to read AND give you a place to talk about it and ask questions.
Find me on Instagram and Pinterest as @jenryland!

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