Final answer:
John Lennon's first book is titled 'In His Own Write,' published in 1964. It features a collection of short stories, poems, and drawings, and displays Lennon's distinctive humor.
Step-by-step explanation:
The title of John Lennon's first book is In His Own Write. This book was published in 1964 and is known for its whimsical and nonsensical style, which is reminiscent of Lewis Carroll and Edward Lear. In His Own Write contains a collection of short stories, poems, and drawings by Lennon showcasing his unique sense of humor and love for wordplay. it is important to note that the books Imagine and Revolution are associated with Lennon's music and activism, while A Spaniard in the Works is his second book, published a year later in 1965.