The warm, tingly feeling that had been smack in the middle of Alvin Fernald's stomach ever since Miss Peppersmith had closed and neatly lined up her books that Friday afternoon, had grown bigger as he and Shoie walked home from school.

Now, here, in his hand, is the reason why! Alvin's sixth sense tells him that the crumpled note holds a secret message in spy code, which is about to catapult the two secret agents plus Alvin's younger sister Daphne, the Pest, into the intricacies of authentic code detection and the dangers of a newly stirred-up 100-year-old mystery.

Even Alvin's Magnificent Brain is nearly put on overload before the bang-up solution to the code and the mystery carry the three agents to an ending that is satisfying to all...well, to almost all. This classic tale from 1963 includes Alvin's own notes on cryptography in an appendix at the end.

Book 2 of 4 in the Alvin Fernald series.

"About this title" may belong to another edition of this title.

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We first started out as ?The Paperback Exchange,? a chain of physical bookstores where we would part exchange your beloved books for new stories to transport you to faraway places. However, as shopping started to evolve to online shops and marketplaces, we bid our stores goodbye to become ?PBShop.? This transition has only allowed us to blossom as we now ship thousands of titles to book lovers across the globe. We pride ourselves in being a community of local book lovers which allows our passion and devotion to shine in everything we do. In 2020 we not only celebrated our 20th birthday but our 1st birthday as being completely employee owned after becoming an E.O.T in September 2019. We are proud to be different and embrace standing apart on a book mountain by working from a virtual inventory which allows us to provide thousands of books that may be difficult to get for your bookshelf or your studies. Working with a number of different suppliers allows us to explore other avenues such as puzzles, sheet music and even stationery so we really do have something for everyone. Life is about being versatile in all realms of existence. If this is your first visit or you are a returning customer, we would like to welcome you to the PBShop family, for there is no friend as loyal as a book. We are a company who put our customers at the centre of everything we do as we understand the importance of reading because once you learn to read, you will forever be free. There are a whole lot of things in this world of ours that we are yet to explore, which is why we will forever inspire curious minds.

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