S1:On 5th October 1818,when young Lincoln was approaching his tenth year,his mother Nancy died of fever
S6:His total education at school comprised only about a year which he however managed to master reading,writing,spelling and some arithmetic
P:She was illiterate but she bought with her several books,among which were Pilgrim's progress,Sindbad the sailor,Robinson Crusoe and Aesop's fables
Q:Lincoln always acknowledged this moral and intellectual debt to his step mother
R:The following year,his father married Sarah Bush Johnson,a widow with three children
S:These books provide Linclon with a mass of knowledge