The Flying Machine Boys on Secret Service The Capture in the Air

“The Flying Machine Boys on Secret Service; Or, The Capture in the Air” by Frank Walton is a riveting continuation of the aerial adventures of the Flying Machine Boys. Walton's narrative continues to explore the thrilling world of aviation and espionage as the young heroes find themselves entangled in secret missions high above the earth. The novel is packed with action, intrigue, and daring feats, making it an exciting read for those who enjoy tales of aviation and intrigue.