theguardian.com/science/2024/n…

Ooh, my new book is LESS THAN A QUID on Amazon for today only. That's about 1p per puzzle. Don't think twice about this one! amzn.to/3YQ6iWo

Wow, currently #9 on the Kindle Store. Thanks to everyone bought it...and thanks to anyone who will...let's get it into the top 5!

Pondering a festive purchase? Can I offer my wares.. THINK TWICE: Solve the Simple Puzzles (Almost) Everyone Gets Wrong THE FOOTBALL SCHOOL ENCYCLOPEDIA amzn.to/49kLjjz amzn.to/3Z0wgGY Guaranteed to delight and amuse!

Mars attacks theguardian.com/science/2024/n…

If you want to stock up on any FOOTBALL SCHOOL books for stocking fillers, they seem to be on HUGE discounts on the 'zon. £3 for EPIC HEROES. £4/5 for almost all the others amzn.to/4ia7xbO

A liar who always lies says “All my hats are green.” We can thus conclude that the liar has... theguardian.com/science/2024/d…

Shave my beard in half this is a v nice surpise! Dan Ariely is a science legend (who I do not know) and he said v nice things about THINK TWICE. Thanks Dan Ariely ! amazon.co.uk/vdp/1f5da533b3…

STILL A FIVER!

Only a few hours left at the super low price - dont think twice!

Looking forward to the first square year since 1936 theguardian.com/science/2024/d…

Kindle deal - THINK TWICE is 99p today. amzn.to/4gBBuQT

Quizzers in a queue theguardian.com/science/2025/j…

Are you a Prime Target for puzzles? theguardian.com/science/2025/f…. Apple TV

Think your class knows the answer?🤔 230,000 pupils are already signed up to The Great Big Footy & Booky quiz with @worldbookdayuk and Premier League Communities. Join us to inspire a love for reading through football. Hosts include Mr Brown and Alex Bellos 👉literacytrust.org.uk/events/world-b…

Another milestone: 34,567,890 puzzles solved at calcudoku.org 😃😃 To celebrate, a special 8x8 Calcudoku (aka Kenken) puzzle that uses the numbers 3, 4, 5, 6, 7, 8, 9, 0 ! #saturdayvibes #saturdaymorning #saturdaymotivation #CatUrDay

theguardian.com/science/2025/j…

theguardian.com/science/2025/j…