[[Íomhá:KellsFol292rIncipJohn.jpg|mion|250px|'' The [[BookLeabhar of KellsCheanannais]], c. 800, showing the lavishly decorated text that opens the [[Gospel ofSoiscéal JohnEoin]].]]
'' AIs '''GospelBookLeabhar Soiscéal ''', '''Evangelion''', or '''Book of the Gospels''' ([[Greek language|GreekGréigis]]: {{lang|grc|Εὐαγγέλιον}}, ''Evangélion'') is a [[codexcoidéacs]] or bound volume containing one or more of the four [[GospelSoiscéal]]s of the [[ChristianityCríostaíocht|Christian]] [[NewTiomna TestamentNua]] – normally all four – centering on the life of [[JesusÍosa of NazarethNazórach]] and the roots of the Christian faith. The term is also used for a [[liturgicalleabhar bookliotúirgeach]], also called the [[Evangeliary]], from which are read the portions of the Gospels used in the Mass and other services, arranged according to the order of the [[liturgicalféilire calendarliotúirgeach]].<ref name=GIRM />
'' Liturgical use in churches of a distinct Gospel book remains normal, often compulsory, in [[EasternCríostaíocht ChristianityOirthearach]], and very common in [[RomanCaitliceachas CatholicismRómhánach]] and some parts of [[AnglicanismAnglacánachas]] and [[LutheranismLiútarachas]]. Other [[ProtestantProtastúnach]] churches normally just use a complete [[BibleBíobla]].