Briathra na Gaeilge: Regular and Irregular.Déagián Ó Murchú & Pádraig Ó Murchú.
Tamhlacht [Ireland]: Folens Teo, [n.d].
This is one the most easy-to-follow works on Irish grammar due to its organization and focus (the conjugation of verbs). Each verb chart clearly indicates how to conjugate the verb in every tense, and even provides similar verbs. The index allows readers to quickly locate the verb they would like to conjugate.