Venture into thrilling adventure with "The Sunken Isthmus: or, Frank Reade, Jr. in the Yucatan Channel" by Luis Senarens. This classic boys' adventure story follows the ingenious Frank Reade Jr. as he embarks on a daring expedition involving remarkable invention and exploration. Journey to the depths of the Yucatan Channel and uncover the mysteries of a sunken isthmus in this exciting tale of daring and discovery. A prime example of popular United States literature, this meticulously prepared print edition offers readers a chance to experience the timeless appeal of classic science fiction and action & adventure. Perfect for enthusiasts of juvenile fiction, "The Sunken Isthmus" promises a captivating read filled with suspense and the wonder of invention. Immerse yourself in a world of daring exploits and uncover the secrets that lie beneath the waves.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.