Aviation (eng.)

45 ml Gin
15 ml Maraschino Liqueur
15 ml Fresh Lemon Juice
1 Bar Spoon Crème de Violette

Add all ingredients into a cocktail shaker. Shake with cracked ice and strain into a chilled cocktail glass. Optional Maraschino Cherry.

Available two books of IBA Cocktails:

IBA 2020 Officiale cocktails

How to taste cocktail and spirits like a pro. IBA official cocktail 2011