This document summarizes a research paper that analyzes the grammar of clauses, specifically themes, in Ann Iwuagwu's novel Arrow of Destiny using Systemic Functional Linguistics. The study explores how themes are organized to convey textual meaning and define the author's literary style. Two extracts from the novel are analyzed in terms of topical, interpersonal, structural, and textual theme components and their frequencies. The study finds a predominance of topical unmarked and textual themes, pointing to prominent linguistic and rhetorical features of the novel.