Tigrinya kasahorow: መጽሐፍ ምፅዳግ.

A concise introduction to the Tigrinya languageModern Tigrinya: A concise introduction to the Tigrinya language
Tigrinya-English, English-TigrinyaTigrinya Learner's Dictionary: Tigrinya-English, English-Tigrinya
Tigrinya-English & English-TigrinyaModern Tigrinya Dictionary: Tigrinya-English & English-Tigrinya