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Book Of ABC Logic Puzzles

As Easy as ABC - or ABC and D!

Welcome to this fantastic collection of 100 ABC / ABCD logic puzzles! Are you a fan of sudoku but require something a little more challenging? Look no further! These devilishly delightful little logic puzzles will test your logical solving ability and challenge even the very best puzzle solvers.

The rules are simple - Place each letter A, B, C exactly once in each row and column. There are also two blank squares in each row and column. Where present, letters around the outside of the grid tell you which letter appears first / last in the relevant row / column.

Are you able to use your finest puzzle solving skills and crack the first 50 ABC puzzles? To keep you on your toes, we have also included another 50 even more testing ABCD logic puzzles.

All puzzles are complete with solutions towards the back of the book so if you are unsure or need a little inspiration, take a look there!

Good luck and happy solving!

If you would like to try a few of the puzzles before buying this book, please click the link below:

ABC Logic Sample

The book of ABC logic puzzles is available to purchase right now from Amazon.co.uk, Amazon.com and Amazon.eu. Please click the relevant link below to purchase this book via Amazon:

If you're based in Europe but outside the UK, then this book is also available on the version of Amazon in your country.

ABC Solving Strategy Tips

The first step when solving ABC puzzles is to use pencilmarks to work out the options for each square in the grid. The best way to start reducing the options and work out what goes where is to start at the top left, and work round clockwise, looking at each row and column for which you know the first letter in that direction (that is, where there is a letter outside that row and column).

We know that there are two blanks per region. Therefore if you see an 'A' at the start of a row, then you know that the 'A' can only be placed in the first three cells of that row. So you can remove it as an option for the remaining cells in that row. The reason is that the A must be the first letter we come across - and since there are a maximum of two blanks, then it must be in position three at the latest. My going round the grid and applying this logic, you will be able to get started with solving the ABC puzzles.

Need more strategy tips, or have any particular logic that works for you? Please do contact us and let us know and we'd be happy to list your solving ideas for ABC and ABCD logic puzzles here.

Like to try a puzzle online? Then here's a link to an ABCD Logic Puzzle Online and you can also play lots of puzzles online at the Puzzle Connoisseur's Club.

You can also find out about the rules of ABC Logic puzzles by watching this video:

Abc Logic cover

Abc Logic interior

Sandwich Sudoku Rules

In our new series of videos, you can learn about new puzzle types and take part in quizzes. Why not have a watch?

A lovely sudoku variant, sandwich sudoku gives you hints around the edge of the grid as to the location of the 1 and 9 in each row and column. This video explains the rules so you can have a go at this fun but tricky variant...

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