It´s not on Amazon UK but it´s definetly on Amazon US ! https://www.amazon.com/Gravity-Ritter-Hirsch-Kristen-Cardellini/dp/B07C2Q94LD/ref=tmm_blu_swatch_0?_encoding=UTF8&qid=&sr=&dpID=618rS2qCLML&preST=_SY300_QL70_&dpSrc=detail
There you go :)