Reference tools, background knowledge, and context for reading the Bible the way its original audiences understood it.
Two interactive maps: Old Testament religious geography with shaded territories showing where each god held sway — then an animated map of Christianity spreading from a dozen disciples in Jerusalem across the Roman world.
Open interactive maps →Convert between biblical units and modern equivalents. How much was 400 shekels? How long is a cubit? With purchasing power context.
Open converter →Eight deities Israel was commanded not to worship — and frequently did. Baal, Asherah, Dagon, Molech, Chemosh, Marduk, Ashtoreth, Tammuz.
Open reference →Between Malachi and Matthew — the Persian, Hellenistic, Maccabean, and Roman periods that shaped everything the New Testament assumes you already know.
Open timeline →The seven feasts of Leviticus 23 with their NT fulfillments, the agricultural year overlay, and the Sabbatical Year and Jubilee system.
Open calendar →Kinsman-redeemer, levirate marriage, honor-shame culture, covenant meals, betrothal law, blood vengeance — the operating system behind the stories.
Open reference →How the Bible's most contested passages have been read from the first century through today — Genesis 1, Isaiah 7:14, Psalm 22, Daniel's 70 weeks.
Open commentary history →The Masoretic Text, Septuagint, Dead Sea Scrolls, 5,800+ NT Greek manuscripts, the Latin Vulgate, and the KJV — how we got the text.
Open reference →The covenant line from Adam to the 12 tribes, the Table of Nations, and profiles of all 12 tribes with their territories and historical fate.
Open lineage →Matthew, Mark, Luke, and John side by side across every major section of the life of Christ, from prologue to resurrection.
Open harmony →