Abecedarium (Abecedary)—along with Catechismus (Catechism)—is the first printed book in Slovene.

[2] Abecedarium was published in October 2008 for the first time in modern Slovene.

Similarly, Catechismus was published in October 2009, the other "first" Slovene book.

The "Pridiga o veri" (Sermon on Faith) from Catechismus is available in Slovene, English, German, and Esperanto.

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