enchiridion
/ˌɛnkɪˈrɪdiən/
noun
- A small book or handbook that gives useful information or guidance on a particular subject.
- The hiker carried an enchiridion of edible plants in her backpack.
- My grandfather's old enchiridion on chess strategies still has great advice.
- The new employee received an enchiridion with tips for navigating the office.