The Hardy Boys: The Mark on the Door (Book 13)

The Hardy Boys: The Mark on the Door (Book 13)

A MYSTERIOUS SYMBOL. A MISSING WITNESS. A DANGEROUS TRAIL INTO MEXICO. When a reckless stranger nearly wrecks the Hardy boys’ boat on Barmet Bay, Frank and Joe have no idea the encounter will pull them into one of the most dangerous adventures of their young detective careers. Soon afterward, a strange symbol—a blazing mark burned into a door—appears in connection with a vanished witness in a major oil fraud case. Elmer Tremmer, the key to exposing a criminal conspiracy, has disappeared. The trail leads from Bayport to Texas… and then across the border into the rugged mountains of Mexico. Facing stampedes, kidnappers, secret camps, and hidden cave dwellings, Frank and Joe must rely on their courage, quick thinking, and detective skills to uncover the truth. But powerful enemies are watching—and they will stop at nothing to silence the boys before justice can be served. Will the Hardy brothers solve the mystery of the mark on the door before it’s too late? This Special Edition Features: Faithfully restored and formatted text based on the original 1933 publication - Clean, modern 6x9 layout for comfortable reading - Carefully structured chapters and professional presentation - A timeless Hardy Boys mystery preserved for today’s readers Perfect for fans of classic juvenile mysteries, vintage adventure stories, and readers who love fast-paced detective fiction filled with danger, intrigue, and international suspense. If you enjoy The Tower Treasure , The House on the Cliff , and The Secret of the Old Mill , you won’t want to miss this thrilling installment in the original Hardy Boys series.