 Following an invitation from their friends, Joss and Idina Hay, he and his wife, Alice, first travelled to the Wanjohi Valley, Kenya, in 1925 and spent months there, hunting lions.Frédéric had an affair with Idina, while Alice was having an affair with Joss.Frédéric wrote a memoir, "Vertical Land", in which he gives his impressions of several of the notable personalities of the Happy Valley set.