The Voynich Manuscript has resisted interpretation for more than five centuries, inspiring countless theories, speculative translations, and symbolic readings. Most approaches fail not because of a lack of creativity, but because they introduce meaning before structure.Voynich Codex presents POLER-D, a structured analytical framework designed to examine the internal behavior of the Voynich Manuscript without assuming language identity, symbolism, authorship, or subject matter. Rather than claiming a solution, this work focuses on what can be demonstrated, constrained, and tested.The framework operates by isolating observable patterns—repetition, positional behavior, grammatical consistency, and scope persistence—while explicitly separating literal analysis from interpretive or poetic rendering. Every stage of the process is documented, including failure conditions and boundary limits.This volume step-by-step presentation of the POLER-D frameworkDemonstrations using authentic EVA transcriptionsClear separation between literal, procedural, and poetic renderingsAdvanced chapters that stress-test repetition, emphasis, and structural behaviorAppendices designed for transparency and reproducibilityNo claim of definitive decipherment or translation is made. Any illustrative or poetic renderings are explicitly non-evidentiary and included solely to demonstrate methodological scope.This work is intended for readers interested in historical linguistics, manuscript analysis, cryptography, and structured analytical methods—particularly those seeking a disciplined alternative to speculative Voynich interpretations.The goal of this book is not to solve the Voynich Manuscript, but to show how it can be approached responsibly.