1.
guidebook; manual; handbook
A written guide that provides instructions, procedures, or information on how to do something. Used for everything from workplace procedures to government forms.
Compound of 手引き (guidance) + 書 (document/book). Common collocations: 手引き書を作成する (to create a guidebook), 手引き書に従う (to follow the guidebook). Similar words: マニュアル (manual, often for products or software), ガイドブック (guidebook, especially for travel), 説明書 (instruction manual). 手引き書 has a slightly formal tone and is often used in administrative or workplace contexts.