Milton Merlin wrote in the Los Angeles Times, "a superbly composed and an irresistibly haunting novel about the two worlds of boyhood, about the crossing of 'the rainbow bridge from reality to dream.' ... This novel is so admirably written that any summary of its substance does only disservice to the author's beautiful and ingenious style, his whimsy, irony and humor, and, most of all, the powerful wallop of a deceptively simple, almost gentle story of a boy lost in a strange world of emotions."
"'The Go-Between' is a many-leveled affair; perhaps only the author knows how much there is in it of symbol and reference. ... This is a literary novel; i.e., it is written beautifully to say something that the author feels intensely. ... Nevertheless, Mr. Hartley is novelist enough to know that ... you must tell your story and never forget it for a moment. ... That is why Mr. Hartley is so amazingly good, and why no reader of serious fiction should miss this book."
"It's a kind of 'Lady Chatterly's Lover' love story, with a Greek inevitability."
"The excellence of the writing alone warrants reading of the book. But what makes the novel so engrossing is the drama and suspense of the plot."