Dean Burnett: In the spirit of Blue Monday, here are the equations for the perfect first date, the best late-night junk food and the ideal Bank Holiday shop
In his breezy romp through the intricacies of our social structure, Wallop declares that Guardian readers are Wood-Burning Stovers and Prescotts are Blackpool Posh, writes Sam Leith
Emulating Conan-Doyle's fictional sleuth requires more than a deerstalker and a predilection for the violin – attention to detail and a questioning, methodical approach are vital, writes Sam Leith
Our minds play tricks on us far more often than you might think. In his new volume Oliver Sacks cites a host of vivid examples, writes Lisa Appignanesi