1) Book 2) Guidebook 3) Handbook 1) Book of facts 2) Handbook 3) Manual 4) Reference 5) Reference book 6) Reference work 7) Vade mecum 
Enchiridion is a Late Latin term (derived from the Greek word ἐγχειρίδιον (enkheiridion)) referring to a small manual or handbook. Some notable enchiridions include: ...
book carried in the hand for reference, esp. for music or theology
• (n.) Handbook; a manual of devotions.
(from the article `English literature`) ...of the morals of his time. To judge from the number of extant manuscripts, these two writers were enormously popular. Byrhtferth of Ramsey wrote ...(from the article `Quarles, Francis`) His first prose work, Enchiridion (1640), was a highly popular book of aphorisms. In the English Civil Wars he is said to have suffered for his ...
En`chi·rid'i·on noun [ Latin , from Greek ...; ... in + ... hand.] Handbook; a manual of devotions. Evelyn. 
encheiridion, enchiridion A handbook or manual; a concise treatise serving as a guide or for reference.
a handbook; manual.