There are a lot of other publications available as well.

Here are just a few

1 - Buntus Cainte 1 -2 and 3

2 - Adh mor ort

3 - Learner;s english-irish dictionary by O Siochfhradha

4 - Bunchomhra Gaeilige ( Basic Conversational Irish)

Sorry I can't put in the fadas etc.

Most of these are available from Culturlan in Belfast. It's on the Falls road, I can't remember the number.