Badenoch writer and wanderer, Merryn Glover’s new book, The Hidden Fires: A Cairngorms Journey with Nan Shepherd, is an exploration of both The Living Mountain text and the iconic range that inspired it. In this extract, she recounts her first time on Braeriach – the mountain that can be equally divine or devilish – with Shepherd and other legendary Cairngorms authors as invisible guides. The next time we could return to the plateau was 1 June and a day at the opposite end of the weather spectrum, one that Shepherd would call ‘delectable as honey’. This time we were on…