The commentary on Isaiah 1-12 offers a comprehensive and scholarly analysis of the biblical texts. It begins with an introduction that addresses the literary structure and central message of the book. For each section, an original translation is provided, followed by detailed textual notes that examine the lexical and grammatical aspects of the Hebrew text as well as the ancient versions. The commentary offers historical and theological explanations that illuminate the relationship of individual passages to the overall work of Isaiah 1-66. Finally, theological reflections are presented that highlight the connections within the entire scripture. The author draws on a wide range of biblical scholarship and emphasizes the relevance of the prophet Isaiah's message for people throughout the centuries, particularly regarding the theme of Immanuel, "God with us," which is realized in Jesus Christ.