The world is filled with numbers. From learning to count their fingers to learning to put on their shoes, children encounter mathematical concepts early in life. Steve Swinburne introduces children to number-related words in this bouncy, colorful photo-essay. From one to a dozen, lively photographs illustrated math words such as single, double, couple, and prefixes such as uni-, bi-, and tri-. The second half of the book is presented as a guessing game. Following Lots and Lots of Zebra Stripes and Guess Whose Shadow?, Steve Swinburne offers children another entertaining look at an all-important concept.

Britta Teckentrup, creator of the bestselling The Odd One Out and Where's the Pair returns with another gorgeously illustrated spotting book. In One is Not a Pair, each patterned page contains a set of pairs . . . but one thing does not match any of the others. Can you find it? Where is the broken pencil amongst the matching sets? Which teddy bear does not have an identical twin? Which house is the only completely different one on the street?

Count and share with…underwear! Come along on a zany adventure with this Classic Board Book edition of One Big Pair of Underwear from New York Times bestselling illustrator Tom Lichtenheld! What’s one thing that two bears, three yaks, four goats, and six cats have in common? They hate to share. But look out—here comes a pack of twenty pigs ready to prove that sharing makes everything twice as fun! This seriously silly Classic Board Book with artwork by the New York Times bestselling illustrator of Goodnight, Goodnight Construction Site irresistibly combines the concepts of counting and sharing.

How many socks make a pair? The answer is not always two. And behind this question lies a world of maths that can be surprising, amusing and even beautiful. Using playing cards, a newspaper, the back of an envelope, a Sudoku, some pennies and of course a pair of socks, Rob Eastaway shows how maths can demonstrate its secret beauties in even the most mundane of everyday objects. If you already like maths you’ll discover plenty of new surprises. And if you’ve never picked up a maths book in your life, this one will change your view of the subject forever.

Can you spot the Siamese cats? Where are the fish with matching fins? This fabulous follow up to stand-out title The Odd One Out features rhyming riddles accompanied by a complex patterned artwork, within which the answer lies. Never has a search-and-find game been so pleasing to the eye than with this stylish title from the masterful Britta Teckentrup, presented in an upmarket, contemporary format.

Written as instruction for pair programming newbies, with practical improvement tips for those experienced with the concept, this guide explores the operational aspects and unique fundamentals of pair programming; information such as furniture set-up, pair rotation, and weeding out bad pairs.