
Land of the Nocturnal Butterfly – An Inner Journey
Jacob's autobiographical account of his inner journey – a travelogue, a handbook and an art book in one. With a foreword by psychiatrist Stanislav Grof, who calls it “a treasure trove of information that is invaluable for serious self-exploration”. Psychologist Stanley Krippner calls it “a fascinating epic, walking the path with sincerity, serious intent, honesty and integrity”.
The printed book exists in Danish only, as Natsommerfuglens Land (DKK 444 + DKK 90 shipping, within Denmark).
Order the Danish edition

