Arthur Koestler's "Promise and Fulfilment: Palestine, 1917-1949" investigates the complex historical, political, and psychological forces that culminated in the establishment of the State of Israel. Koestler, a writer and journalist known for his engagement with political and philosophical issues, approaches this period with a specific focus on the role of irrational forces and emotive bias in shaping historical events. He aims to provide a psycho-somatic view of this critical episode in modern history, balancing the psychological factors with politico-economic developments.

This work is recognized for its distinctive approach, with Koestler explicitly stating his intention to highlight the psychological and irrational elements often overlooked in historical accounts of the period. The book is structured to provide both a broad historical context and a detailed, colored view of the events and experiences within Palestine. The author's self-awareness regarding potential over-emphasis on psychological factors suggests a nuanced, though deliberately angled, historical analysis. The reception of such a work would likely focus on its unique perspective and the author's characteristic engagement with complex socio-political phenomena.