Now available on Amazon e-book and printed version. Review in the next issue of Descent.

https://www.amazon.com/dp/B0851MWV7T/ref=cm_sw_r_fa_dp_U_QJCvEb9E297RT?fbclid=IwAR3eQ5u9-7wK2UEsuxccnBihxp2HEvU34NLHlLE44zIoaRLyw09kWSnsMjo

and review here:

https://ukcaving.com/board/index.php?topic=26267.0