On Wednesday, high street stationer WH Smith toasted bumper sales of extreme dot-to-dot and "querkles" – a modern take on colour by numbers.
In the last couple of months two other activity books have taken off – extreme dot-to-dot and a thing called querkle, which is extreme colour by numbers.
Colouring books make up 70% of WH Smith's sales of "adult activity" books but extreme dot-to-dot and querkles are the fastest growing new puzzle genres.
The continuing craze for adult activity books, including extreme dot-to-dot and "querkles", and strong high street sales helped WH Smith increase profits in the first half of its financial year.
The word extreme is usually attached to pastimes such as snowboarding and base jumping but hold on to your felt tips, a puzzling new craze dubbed extreme dot-to-dot is gripping the nation.
"In the last couple of months two other activity books have taken off – extreme dot-to-dot and a thing called querkle, which is extreme colour by numbers," said Stephen Clarke, the WH Smith chief executive.
Furthermore, the words with even more extreme negative dot products, although not explicitly listed in either dictionary, were all consistent with antonym meanings: resemblance, congruence (both −0.96), analogy (−0.97), equivalence, and similarity (both −0.99).
(C) The optimized pinhole collimator for bremsstrahlung SPECT avoids these scattering paths (e) to prevent wall scattering of high-energy X-rays penetrating through the nose of the gold insert; an empty space (f) is left between the collimator housing and the extreme rays (dot-dash lines) passing through the aperture.
The day's extreme sporting events dotting the pine tree blanketed mountain high above the California/Nevada state line are punctuated by high fives and hollers.
Probe sets that were not differentially expressed fitted a linear model (black dots), while red dots represent extreme residual values (overexpressed or under-expressed).
Fifteen years after the end of apartheid, extreme poverty persists, shanties dot the landscape, child mortality is high, and so is the number of children out of school.
