Abckiria (also sometimes spelled ABC-kiria, and spelled "ABC-kirja" in modern Finnish), in English "The ABC book", is the first book that was published in the Finnish language. It was written by Mikael Agricola, a bishop and Lutheran Reformer, and was first published in 1543. Agricola wrote the book while working on the first Finnish translation of the New Testament (which was eventually finished in 1548 as Se Wsi Testamenti).

Abckiria (also sometimes spelled ABC-kiria, and spelled "ABC-kirja" in modern Finnish), in English "The ABC book", is the first book that was published in the Finnish language. It was written by Mikael Agricola, a bishop and Lutheran Reformer, and was first published in 1543. Agricola wrote the book while working on the first Finnish translation of the New Testament (which was eventually finished in 1548 as Se Wsi Testamenti).