McGuffey's Eclectic Spelling Book is a study guide that became very popular in the mid-nineteenth century in the United States of America. Created by renowned educator Alexander Hamilton McGuffey, the book helped children of the time improve their spelling skills and learn new words. McGuffey's method was based on simple but effective exercises aimed at memorizing the correct spelling of words. Each lesson in the book included some topic that was considered in the context of words for the correct association. This book helped not only in mastering spelling, but also instilled thoroughness and attentiveness in students. McGuffey's Eclectic Spelling Book became one of the most popular early childhood education textbooks of its time and remains a valuable resource for teaching spelling to this day. Author: McGuffey, Alexander G. (Alexander Hamilton)"