A book of mathematical articles, That’s Maths, has just been published. The collection of 100 articles includes pieces that have appeared in The Irish Times over the past few years, blog posts from this website and a number of articles that have not appeared before.
The book has been published by Gill Books and copies are available through all good booksellers in Ireland, and from major online booksellers. An EBook is also available online.
The following sources may be useful:

Price in Euros: €14.99 from Gill Books.

Price in dollars: From $9.99: amazon.com

Price in pounds: £12.99 from amazon.co.uk
The range and scope can be seen from the titles of the 100 articles given in the Table of Contents:

You Can Do Maths

Instant Information

Napier’s Nifty Rules

Sproutology

Why Don’t Clouds Fall Down?

Packing Oranges and Stacking Cannonballs

Modelling Epidemics

A Falling Slinky

A ‘Mersennery’ Quest

Shackleton’s Spectacular Boat Journey

Where in the World?

Srinivasa Ramanujan

Sharing a Pint

Pons Asinorum

Lost and Found: The Secrets of Archimedes

Subterranean Topology

The Earth’s Vast Orb

More Equal than Others

Maths and CAT Scans

Bayes Rules OK

Pythagoras goes Global

Dozenal Digits: From Dix to Douze

How Leopards get their Spots

Monster Symmetry and the Forces of Nature

Kelvin Wakes

Gauss Misses a Trick

Prime Secrets Revealed

Amazing Normal Numbers

Heavy Metal or Blue Jeans?

The School of Athens

Hailstone Numbers

The Remarkable BBP Formula

The Atmospheric Railway

A Hole through the Earth

Sofia Kovalevskaya

The Simpler the Better

Geometry out of this World

Euler’s Gem

The Watermelon Puzzle

The Antikythera Mechanism: The First Computer

World Population

Ireland’s Fractal Coast

Santa’s Fractal Journey

Interesting Bores

Pythagorean (or Babylonian) Triples

Bézout’s Theorem

French Curves and Bézier Splines

Astronomical Perturbations

The Predictive Power of Maths

Highway Geometry

Breaking Weather Records

The Faraday of Statistics

The Chaos Game

Fibonacci Numbers are Good for Business

Biscuits, Books, Coins and Cards: Severe Hangovers

Gauss’s Great Triangle and the Shape of Space

Degrees of Infinity

A Swinging Way to See the Spinning Globe

Do You Remember Venn?

Mathematics is Coming to Life in a Big Way

Temperamental Tuning

Cartoon Curves

How Big was the Bomb?

Algebra in the Golden Age

Old Octonions May Rule the World

Light Weight

Falling Bodies

Earth’s Shape and Spin Won’t Make You Thin

The Tangled Tale of Knots

Plateau’s Problem: Soap Bubbles and Soap Films

The Steiner Minimal Tree Problem

Who Wants to be a Millionaire?

The Klein 4Group

Tracing Our Mathematical Ancestry: The Mathematics Genealogy Project

Café Mathematics in Lvov

The King of Infinite Space: Euclid and his Elements

Golden Moments

ModeS EHS: A Novel Source of Weather Data

For Good Communications, Leaky Cables are Best

Taptaptap the Cosine Button

The Black–Scholes Equation

Eccentric Pizza Slices

Mercator’s Marvellous Map

The Remarkable Power of Symmetry

Increasingly Abstract Algebra

Acoustic Excellence and RT60

The Bridges of Paris

Buffon Was No Buffoon

James Joseph Sylvester

Holbein’s Anamorphic Skull

The Ubiquitous Cycloid

Hamming’s Smart Errorcorrecting Codes

Mowing the Lawn in Spirals

Melencolia I: An Enigma for Half a Millennium

Mathematics Can Solve Crimes

Life’s a Drag Crisis

The Flight of a Golf Ball

Factorial 52: A Stirling Problem

Richardson’s Fantastic Forecast Factory

The Analemmatic Sundial