SOURCE: Review of My Brother Michael, in Kirkus Reviews, Vol. XXVIII, No. 3, February 1, 1960, p. 107.

In the following review, the critic praises My Brother Michael as an improbable but well-written and fully absorbing mystery.

[My Brother Michael is a] fast moving suspense novel set against the background of Delphi, which affords the reader even more hair-raising nightmarish adventures than in earlier novels. Mary Stewart has hit upon a successful basic pattern:—a young Englishwoman, escaping herself in travel, becomes involved in a succession of tense experiences, skirting death, and playing with dangerous characters who stop at nothing. This time the sense of inevitable disaster colors every incident:—her first rather hair-brained acceptance of the challenge of delivering a car, ordered by an unknown woman for an unknown man in Delphi, where she wants to go; her facile meeting with the Simon to whom the car was assigned—only he...