Other editions of book SIGN OF THE GREEN ARROW: A Mystery Story.

It was midnight. Johnny Thompson paced the deck of the Sea Nymph alone. He would be doing this until daybreak. The tropical night was glorious. There was a faint breeze—just enough to ripple the waters where the phosphorescent light thrown off by a million tiny creatures rivaled the stars above.“Spooky,” he thought, meditatively. “Out here all alone with the night.... Natives over there.” He faced the east, where dark green hills loomed out of the water. Over there was a small island. Johnny never had been there. Some time he’d get into a canoe and paddle over. Earlier in the evening he had seen a light, a white man’s light, he had thought, without knowing why. He—His thoughts were interrupted by someone moving, up forward. Or was there? He had supposed they all were asleep—the strange old man, bony and tall, with goggle eyes and heavy glasses, the tall young man and the blonde girl. They all had berths forward. The captain and mate were aft; the native crew, below deck. There was no need for any of the crew, now. The boat was anchored. Only he, Johnny Thompson, was needed, to keep watch for prowlers of the sea, or signs of a storm.It was strange, this new job. He was not sure just what these people were planning—some scientific expedition, he thought. The ship’s outfit was rather irregular, but he had been glad of the chance to sign up as watch. He loved the sea.“Someone—” he said to himself, “—is moving, up there.” He started forward, cautiously.

Sign of the Green Arrow : A Mystery StoryDave was at her side, saying never a word. Staring at the passing scene, now throwing on a powerful light, now switching it off again, he appeared to have forgotten she was there.It was to be a very short trip, perhaps only half an hour. They were to make an attempt to capture some fantastic sort of creature. Mildred was thinking of this now, wondering in a vague sort of way, how the capture was to be made. Then suddenly, her thoughts were interrupted. Her heart skipped a beat as Dave exclaimed:“Man! Oh, man!”The steel ball was now close to the wall. For the moment, at a command from Dave, it had ceased dropping. Suddenly from a crevice in the wall there glided a form resembling a great golden serpent from a fairy tale.“Zowie!” Dave chuckled, “he sure looks dangerous—but he’s not. A golden-tailed serpent dragon,” he explained. “They’re quite rare.“Now,” he spoke into his microphone, “slowly downward.”Once more the rocky ledge appeared to glide upward.“Should be there soon,” Dave murmured. “Only hope the old boy is at home. He probably is. But we may miss him. It’s hard to get the right location.”For Dave this brief expedition had one purpose—to capture the immense, sea-green octopus he had seen on a previous trip. As they continued to sink into the depths, his eyes remained fixed on that wall. Then of a sudden he exclaimed:“There! There he is!”Adjusting his microphone he said:“Doris, we are here. Stop the cable drum.”The ball ceased to sink. For a full moment Mildred saw only a dark cavern in the wall. Then suddenly she was startled to discover two large eyes staring out at her.

Sign of the Green Arrow - A Mystery Story by Roy J. SnellIt was midnight. Johnny Thompson paced the deck of the Sea Nymph alone. He would be doing this until daybreak. The tropical night was glorious. There was a faint breeze—just enough to ripple the waters where the phosphorescent light thrown off by a million tiny creatures rivaled the stars above.“Spooky,” he thought, meditatively. “Out here all alone with the night.... Natives over there.” He faced the east, where dark green hills loomed out of the water. Over there was a small island. Johnny never had been there. Some time he’d get into a canoe and paddle over. Earlier in the evening he had seen a light, a white man’s light, he had thought, without knowing why. He—His thoughts were interrupted by someone moving, up forward. Or was there? He had supposed they all were asleep—the strange old man, bony and tall, with goggle eyes and heavy glasses, the tall young man and the blonde girl. They all had berths forward. The captain and mate were aft; the native crew, below deck. There was no need for any of the crew, now. The boat was anchored. Only he, Johnny Thompson, was needed, to keep watch for prowlers of the sea, or signs of a storm.It was strange, this new job. He was not sure just what these people were planning—some scientific expedition, he thought. The ship’s outfit was rather irregular, but he had been glad of the chance to sign up as watch. He loved the sea.

The Alaskan boys are back fighting crime, solving mysteries and keeping everyone safe!Mr. Snell is a versatile writer who knows how to write stories that will please boys and girls. He has traveled widely, visited many out-of-the-way corners of the earth, and being a keen observer has found material for many thrilling stories. His stories are full of adventure and mystery, yet in the weaving of the story there are little threads upon which are hung lessons in loyalty, honesty, patriotism and right living.Mr. Snell has created a wide audience among the younger readers of America. Boy or girl, you are sure to find a Snell book to your liking. His works cover a wide and interesting scope.

Roy J. Snell (1878-1959) authored at least 85 Young Adult novels under his own name and as by David O'Hara, James Craig, and Joseph Marino, most of them specifically directed to boys, though he wrote at least one series of mysteries for girls. His tales for younger children, beginning with Little White Fox and his Arctic Friends (1916), are animal fantasies.

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A sailor standing watch aboard a scientific schooner off the coast of Haiti observes a series of green lights in the shape of an arrow coming from the island's interior. In time he concludes that the lights are some kind of code. Since no other vessels are in the area, he deduces the lights are being flashed by spies aimed at a submarine. In time, he concludes his deductions are correct and he becomes determined to locate the source of the mysterious green arrow lights. When a local girl is kidnapped, the sailor and other crew members discover a nest of spies and rescue the girl who has been abducted aboard the enemy submarine. The faint tropical breezes are balmy, the nights are glorious, and the waters ripple all the while sinister forces, prior to World War II, are at work planning to turn this idyllic island into a naval base from which to launch subversive activities.