Author: Phillip Gibbs
Alternate names: Philip Hamilton Gibbs; Gibbs, Philip; Gibbs, Philip Hamilton, Sir; Gibbs, Philip Hamilton Sir.; Gibbs, Philip Sir.; Gibbs, Philip Hamilton Sir; Sir Philip Hamilton Gibbs; PHILIP GIBBS; Gibbs, Philip Sir; Sir Philip Gibbs; Gibbs, Philip Hamilton, Sir (1877-?); Gibbs. Philip. 1877-1962.; Philip 1877-1962 Gibbs; Philip Gibbs; Philip Philip Gibbs
Title: Sir.
Born: 1 May 1877
Died: 10 March 1962
Bio: Sir Philip Armand Hamilton Gibbs was an English journalist and prolific author of books who served as one of five official British reporters during the First World War. Two of his siblings were also writers, A. Hamilton Gibbs and Cosmo Hamilton, as was his own son, Anthony.           Source: wikipedia

I believe Philip Gibbs also wrote the following books:
A Master of Life (about 1900)
Interlectual Manners SW
Helen of Lancaster Gate
Paradice for Sale
Broken Pledges (all possibly 1920s - 1930s)

Called Back (1952)

Brian Reid
brian@brianreidfundraising.com.au