A Guide to the India Office Records, 1600-1858 throws open the doors to the official archives of an empire. Essential for historians and collectors. William Foster's authoritative archival research guide systematically indexes and explains holdings across the India Office archives, directing readers to East India Company records and the primary source materials that underpin work in British colonial history. Practical and precise, it functions as both a historical document collection catalogue and an academic reference book: an entry point for students and curious readers, and a time-saving map for historians and researchers tracing governance, commerce and society in 17th to 19th century India during the British India era. Meticulously organised by department and theme, Foster's listings point to registry entries, minutes, correspondence and financial papers, making obscure shelfmarks navigable and enabling comparative study across decades; the guide rewards careful research and invites unexpected discoveries. Foster's guide is historically significant not as narrative but as the scaffolding behind British empire administration; its listings reveal where policy, correspondence and local records reside. For those learning archival research methods and anyone drawn to colonial India archives, the volume converts obscure shelfmarks into readable routes for original discovery. It is the sort of academic reference book that underpins new interpretations, placing primary source materials within reach of scholarship on trade, law, missionary activity and local governance. Republished by Alpha Editions in a careful modern edition, this volume preserves the spirit of the original while making it effortless to enjoy today - a heritage title prepared for readers and collectors alike. Libraries, genealogists and independent scholars will find the guide an efficient bridge to originals otherwise hidden on the shelves. Casual readers will find clear context to accompany their reading of canonical works, while collectors of classic literature and libraries will value a carefully restored edition that supports inquiry while honouring provenance.