The purpose of this thesis is to identify and analyze issues specifically related to the translation of children s literature within the Brazilian systemic context focusing on the solutions reached by translators when faced with certain translation difficulties. Based on the Descriptive Translation Studies and the theoretical assumptions of Gideon Toury, André Lefevere and Lawrence Venuti, a case study is conducted involving two Brazilian translations of the children s classic Mary Poppins written in English by P. L. Travers and published in 1934. In addition to Traver s source text, the corpus includes the translation into Brazilian Portuguese made by Donatello Grieco in 1967 (Record) and that of Joca Reiners Terron in 2014 (Cosac Naify). By means of a macro and microstructural analysis, the following items are investigated: chapters and titles; paragraphs, clauses and punctuation; language (informal discourse and vocabulary); proper names; sense of humor issues; gender situations; pedagogic and morally (in)correct aspects; the Mary Poppins character image; and illustrations. The hypothesis is that translators make choices and adopt strategies according to restrictions imposed by children s literary writing norms within historical contexts. In order to understand these requirements and norms, some of the characteristics of children s literature and of its translation are analyzed: the dual audience composed of children and adults, as well as the effects of this power asymmetry; the affiliation to sociocultural, literary and educational systems, as well as the resulting translation restrictions and norms; and, finally, the peripheral systemic position and the possible text manipulation deriving from this status.