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Book by Harapan Ong
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Principia review


60.00 usd

Book by Harapan Ong ($60.00)

In stock. Order in the next 10 hours, 34 minutes and it will go out today!
Principia - magic

Singapore's Harapan Ong has caused an online sensation with his technical abilities. Videos began to circulate some years ago from a pair of hands doing extraordinary things. His style is natural, unassuming, and soft. But Aces appear, selections transpose, and magical things just seem to happen in Harapan's hands.

Principia is our very favorite kind of magic book: the kind of book that you pour over every page, trying out each and every piece Harapan describes. EVERY single effect in the book (and there are 60 effects described) is practical, and fun and radically new. You also receive a special packet of gimmicked cards to use with some of the effects.

The concept of Principia is a magic book fused with a scientific paper on physics. By day, Harapan is a physics teacher and he uses the same laser-focus and precision in both his career and his magic.

The book features impromptu magic, gaffed card magic, and dead-on easy tricks you can do the first time you try. We predict that Principia will be the most talked-about card book of the year, and that it will be studied and returned to for many years to come.

The regular edition is the orange book photographed, and the limited deluxe edition of Principia is the blue book and slipcase.

Hard cover. 253 pages. Includes set of gimmicked cards.

“Wonderful” David Williamson
“My favourite magician.” Stephen Long / Hector Chadwick
“Buy it!” Tony Chang
“Buy the book.” Kevin Ho
“The most beautifully constructed card magic I’ve ever seen.” Henry Harrius

Contents of Principia

  • Thinking Like a Physicist
  • Streamlined Pocket Transposition
  • The Card Across
  • On Producing a Four-of-a-Kind
  • Hadouken Production
  • Stress Production
  • Passport Production
  • Kaleidoscope Production
  • Straight Ace
  • Poker Player’s Picnic Plus
  • Michalevator
  • Jacob’s Elevator
  • Royal Explosion One
  • Royal Explosion Two
  • Simple Bean Aces
  • Daley’s Last Sandwiches
  • Sudden Surprise Sandwich
  • Head Over Heels, Face to Face
  • Triumph Squared
  • Play It Crooked
  • Twisting Morph
  • Three Degrees of Separation
  • Direct Triple Prediction
  • Sandwich-ception
  • Oops
  • Three Chances
  • Bigger Transpo
  • Tiny Transpo
  • Perspective
  • Faro Pharaoh
  • Extensions to the Cheek to Cheek Deck
  • Dude, You’re not Even Trying
  • The More You Shuffle
  • Followers of Christ
  • Countdown Packet
  • Rapid Fire Benzais
  • That Escalated Quickly
  • Particle Physics
  • Daley Express
  • Triumph in the Trash
  • Blank in the Bin
  • Remix in the Rubbish
  • King’s Overture
  • On the Alfonso-Giobbi Twisting sequence
  • Cascading Twist
  • Plot Twist
  • Gag Packs
  • Change Back
  • One Direction
  • World’s Smallest Colour Change
  • Direct Ambigrams
  • The Law of Non-Conservation of Card Magic
  • Tawanokomu
  • Checkmate
  • Have a Break, Have a Kit Kat
  • Flexacard
  • The Frog Prince
  • 2 + 2 = 4
  • 4, 3, 2, 1
  • On the Fundamental Structures of Routines
  • On Apophenia and Coincidence Effects
  • On Magic, Evolution and Bottom-Up Design
  • Thoughts on “The Trick That Cannot Be Explained”
  • Count or Spell
  • Twisted Choices
  • A Blind Mess
  • What Magicians Can Learn From Scientists
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Customer reviews for Principia

Feiyu Chang

Just recieved the book, everything in it is absolutely beautiful! Just a little suggestion, if the online performance videos are sorted in order and have an table of content, it will be wonderful.


Tyler Hutson

Received my book 2 days ago. It is amazing. The production value is very high; the cover and binding are great and the paper stock is very high quality.
I’ve worked through several effects at the beginning of the book. I love the style in which they are written. They are set up like a science paper from a journal, and the format is very clear and uniform, making it easy to know where to find different bits of information when browsing routines. I love his footnotes and bibliography sections. He cares about magic as an art form with a history.
The effects I’ve worked, Streamlined Pocket Transposition and The Card Across, are very good updates to classic effects. They require some intermediate sleights, but nothing back breaking (yet), and the effects are clean and delightful.
Very pleased with my purchase, I think you will be, too.


Michael Kolodny

This is a very nice book with a plush cover and large pages. I tend to like books written in a conversational style; this is a bit more technical in nature but it works. If you like cards this book is definitely worth it. There are two really nice extras as well. Although most card workers will already have the common gaffs needed for some of the tricks, they are included with the book. Also, for those like me that sometimes can't figure out what the trick is supposed to look like, there are video performances of many of the effects. Very nice job.


Chris Aguilar

Vanishing Inc. and Harapan Ong have gone the extra mile to produce a book of exceptional quality, filled with interesting effects and essays. Providing a forty plus minute video showing nearly every trick really brings the material to life and I hope future products continue to offer this. Providing a good sampling of gaffs (matching bicycle decks) also makes everything really accessible, giving the reader no excuse to not jump in and start learning the material. Harapan's writing is clear, the illustrations are profuse and useful, the citations are good and the material is just plain fun. Highly recommended!



I received the book recently and I like the quality of the book and it is also well presented. It is also easy to read and understand, with a good video and gaffs card. If there is content of the effects in the video, that would be nice. Would definitely recommend to my friends.


David Cowley

This book is simply stunning. I am halfway through and already it is clear that the material in this book is going to have the most significant impact on my magic of any purchase since moving beyond beginner materials.

I, like many magicians, use books and DVD's as a source of inspiration for my own creativity. There's a ton of inspiration in here but most significantly there's a lot of material that I know I will do forever more exactly as described.

The whole package is an absolute joy and the extras are very much appreciated. 100%, no reservations recommended.


This is absolutely one of the best best buys I've made in a couple of years. The writing is clear and the illustrations are great. Being a hobbyist with intermediate skills, I have not found any tricks in the book that I can't learn with a little work. Would definitely recommend to anybody into card magic