work introduces Holden's motivation and approach to the study of Central American hieroglyphs. He discusses his prior familiarity with the works of John L. Stephens, which fostered his curiosity about the meanings behind the inscriptions. Holden outlines his plan to systematically decipher these inscriptions, addressing key questions such as the linguistic unity of the inscriptions and the directional reading of the hieroglyphs. He expresses a cautious approach, emphasizing the importance of grounding his conclusions in demonstrable evidence while avoiding conjecture beyond his knowledge of the subject matter. Furthermore, the introduction sets the stage for a detailed exploration of the characters and symbols that underpin these ancient writings. (This is an automatically generated summary.)