Conrad Barski

Chris Wilmer

Unless you’ve been living under a rock for the last couple of years, you’ve probably heard of Bitcoin—the game-changing digital currency used by millions worldwide. But Bitcoin isn't just another way to buy stuff. It’s an anonymous, revolutionary, cryptographically secure currency that functions without the oversight of a central authority or government. If you want to get into the Bitcoin game but find yourself a little confused, Bitcoin for the ­Befuddled may be just what you’re looking for. Learn what Bitcoin is; how it works; and how to acquire, store, and spend bitcoins safely and securely. You'll also learn: Bitcoin’s underlying cryptographic principles, and how bitcoins are createdThe history of Bitcoin and its potential impact on trade and commerceAll about the blockchain, the public ledger of Bitcoin transactionsHow to choose a bitcoin wallet that’s safe and easy to useHow to accept bitcoins as payment in your physical store or on your websiteAdvanced topics, including Bitcoin mining and Bitcoin programming With its non-technical language and patient, step-by-step approach to this fascinating currency, Bitcoin for the Befuddled is your ticket to getting started with Bitcoin. Get out from under the rock and get in the Bitcoin game. Just make sure not to lose your shirt.

Bitcoin for the Befuddled

Provides information on the core concepts of Lisp progamming, covering such topics as recursion, input/output, object-oriented programming, and macros, and offers instructions on creating complete Lisp-based games, including a text adventure, an evolution simulation, and a robot battle.

Learn to Program in Lisp, One Game at a Time!

Land of Lisp

Matthias Felleisen

David Van Horn

Northeastern University Students

Racket is a descendant of Lisp, a programming language renowned for its elegance, power, and challenging learning curve. But while Racket retains the functional goodness of Lisp, it was designed with beginning programmers in mind. Realm of Racket is your introduction to the Racket language. In Realm of Racket, you'll learn to program by creating increasingly complex games. Your journey begins with the Guess My Number game and coverage of some basic Racket etiquette. Next you'll dig into syntax and semantics, lists, structures, and conditionals, and learn to work with recursion and the GUI as you build the Robot Snake game. After that it's on to lambda and mutant structs (and an Orc Battle), and fancy loops and the Dice of Doom. Finally, you'll explore laziness, AI, distributed games, and the Hungry Henry game. As you progress through the games, chapter checkpoints and challenges help reinforce what you've learned. Offbeat comics keep things fun along the way. As you travel through the Racket realm, you'll: –Master the quirks of Racket's syntax and semantics –Learn to write concise and elegant functional programs –Create a graphical user interface using the 2htdp/image library –Create a server to handle true multiplayer games Realm of Racket is a lighthearted guide to some serious programming. Read it to see why Racketeers have so much fun!

Learn to Program, One Game at a Time!

Realm of Racket

Learn to Program in LISP, One Game at a Time!

Land of LISP

Unless you’ve been living under a rock for the last couple of years, you’ve probably heard of Bitcoin—the game-changing digital currency used by millions worldwide. But Bitcoin isn't just another way to buy stuff. It’s an anonymous, revolutionary, cryptographically secure currency that functions without the oversight of a central authority or government. If you want to get into the Bitcoin game but find yourself a little confused, Bitcoin for the Befuddled may be just what you’re looking for. Learn what Bitcoin is; how it works; and how to acquire, store, and spend bitcoins safely and securely. You'll also learn: –Bitcoin’s underlying cryptographic principles, and how bitcoins are created –The history of Bitcoin and its potential impact on trade and commerce –All about the blockchain, the public ledger of Bitcoin transactions –How to choose a bitcoin wallet that’s safe and easy to use –How to accept bitcoins as payment in your physical store or on your website –Advanced topics, including Bitcoin mining and Bitcoin programming With its non-technical language and patient, step-by-step approach to this fascinating currency, Bitcoin for the Befuddled is your ticket to getting started with Bitcoin. Get out from under the rock and get in the Bitcoin game. Just make sure not to lose your shirt.

Conrad Barski

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