This bilingual dictionary is aimed at English-speaking users of Lingua Franca Nova, an international auxiliary language constructed by George Boeree, first published online in 1998, developed by its community over two decades, and now commonly known–via its initials–as Elefen. The Elefen-English section contains over 17,000 main entries and more than 6,000 additional phrases; there are over 34,000 main entries in the English-Elefen part. The book also offers a brief overview of Elefen grammar, including helpful lists of function words, prefixes and suffixes.

Esta disionario bilingual es dirijeda a parlores de engles ci usa lingua franca nova, un lingua aidante internasional construida par George Boeree, prima publicida a la rede en 1998, developada par sua comunia tra du desenios, e aora comun conoseda–longo sua inisiales–como elefen. La parte elefen-engles conteni plu ca 17 000 entradas xef e plu ca 6 000 espresas ajuntada; on trova plu ca 34 000 entradas xef en la parte engles-elefen. La libro ofre ance un resoma corta de la gramatica elefen, incluinte listas aidosa de parolas funsional, prefisas e sufisas.