A useful tome (as 'volume 1', I assume more to follow). As articulated by the author in his introduction, it provides a valuable reminder of some things we all know but critically have always failed to follow through with, while also containing fresh insight as a product of his experiences which few of us will have ever had (but with the inspiration & mobilisation of your determination that this provides, who knows?). It clearly articulates things you may have suspected but never fully realised, at least not enough to put into practice. From my own experiences solo free-climbing, starting para-gliding (following a broken back, not from para-gliding!); something I was 'always going to get round to doing' for which the injury provided the reminder to act sooner rather than later, and coming through the other side of a subsequent career ending injury and despite the prognosis, still being able to climb a bit, I can personally vouch for much of the advice contained in this book. Oft quoted, but rarely acted upon, 'this is not a dress-rehearsal', the only finite quantity is the length of your life - make it count, don't squander opportunities; this will help you achieve that.