| PAGE |
| Chapter I—On the March to the Rhine | 11 |
| Grace Harlowe looks for Hun treachery. “What I have seen has chilled my very soul.” The supervisor gives her orders. Elfreda sees a danger signal. “For the love of Heaven, stop it!” A mighty crash and a plunge into the river. | |
| Chapter II—“Grace Harlowe, Trouble-Maker” | 25 |
| Mrs. Chadsey Smythe gets a chilly bath. “Arrest that woman!” Won Lue makes his bow. Grace gets a warning. Overton girls billeted in a cellar. Keeping house under difficulties. Summoned before a superior officer. | |
| Chapter III—The Iron Hand | 38 |
| Grace resents an imputation on her honor. A serious accusation. “The woman is an impertinent creature!” “Captain” Grace is accused of trying to drown her superior. Grace Harlowe’s dismissal demanded. The Overton girl stands on her rights. | |
| Chapter IV—A Timely Meeting | 44 |
| The mystery of three birds. J. Elfreda comes to grief. Grace meets her friend the general. How “Captain” Grace got even. The supervisor hears some unpleasant truths. “Ridiculous!” exclaims General Gordon. | |
| Chapter V—Grace Wins and is Sorry | 55 |
| “I don’t know what you are talking about, but I agree with you.” Overton girls have supper behind a smoke screen. An obliging Chinaman. Grace lays down the law to Mrs. Smythe. “My orders are that you get out of my sight instantly!” | |
| Chapter VI—Messing with a Brigadier | 64 |
| Overton girls left to walk. A grilling hike. The general is not deceived. An invitation to visit cloudland. “Captain” Grace gives the intelligence officer some real intelligence. “Watch the skies in the early morning.” | |
| Chapter VII—Officers Get a Shock | 76 |
| Grace tells of the flights of enemy war pigeons. Captain Boucher asks for the Overton girl’s assistance. Army officers prove charming hosts. The Chinaman is on guard. “Captain” Grace uses a cobblestone for a door-knocker. Military police come up on a run. | |
| Chapter VIII—Hunland is Reached at Last | 86 |
| “Captain” Grace barred from her billets. A soldier policeman offers to break in the door. The girls make their beds in an army truck. Leading a gypsy life. Overton women placed under arrest. Grace and Elfreda smash the door of their prison. | |
| Chapter IX—An Irate Officer | 97 |
| On the enemy’s threshhold. The intelligence captain smooths the way. Grace cooks mess at headquarters. “Bacon in the chest and potatoes in the woodbox.” Signed up for a voyage in the skies. Making their beds in the kitchen. | |
| Chapter X—Grace Takes the Sky Route | 105 |
| Taking no chances with the Hun. “Good luck, and don’t fall out.” Elfreda has no desire to go skyward on a bubble. Grace dons a flier’s harness. Lifted cloudward by the big “sausage.” “One balloonatic in the family is enough.” | |
| Chapter XI—Rough Going in Cloudland | 116 |
| The swaying basket arouses Grace’s apprehension. Hearing miraculously restored. The Overton girl eats her luncheon three thousand feet above the earth. “Haul in, you idiots!” The balloon begins to buck. “We are adrift!” announces the major. | |
| Chapter XII—A Leap from the Skies | 128 |
| The runaway balloon soars high. “We are in a fix!” A cheerful outlook. Clouds blot out the earth. Grace and her companion are buffeted back and forth by the winds. Victims of Hun bullets. Grace Harlowe is suspended between earth and sky. | |
| Chapter XIII—“Captain” Grace Invades Germany | 137 |
| The major shakes the Overton girl loose. How it feels to fall a mile through space. The officer floats into view like a giant spider. “My, but the earth does look good.” Grace partially wrecks a German vineyard. | |
| Chapter XIV—A Guest of the Huns | 146 |
| Grace Harlowe awakens in an unfamiliar place and overhears an enlightening conversation. The German woman seeks information. “Captain” Grace finds herself a prisoner in a German castle. Signals for assistance. A night prowler in her room. | |
| Chapter XV—An Interrupted Interview | 159 |
| The inquisitive frau gets a terrible fright. “You shall suffer for this!” Morning brings more trouble. Discovered! A Hun threat. A demonstration of Hun “kultur.” Safe in the American lines. The intelligence officer is aroused. | |
| Chapter XVI—Elfreda Has a Suspicion | 170 |
| Yvonne names the yellow cat. How Hippy cured Nora’s admirer. Molly Marshall open to suspicion. Billeted in a German home. “There’s a real mystery for you.” An explosion wrecks the canteen. | |
| Chapter XVII—The Treachery of the Hun | 182 |
| Grace rescues the major. The ammu GRACE HARLOWE WITH THE AMERICAN ARMY ON THE RHINE
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