Simplify the following text for a Grade 12 native English-speaking person.
Original: Oluleye was a man who left a legacy of honesty and integrity for the future generations of Nigerians , See his book `` Archetecturing a Destiny '' and `` Military Leadership in Nigeria '' .
Simplified: ( Oluleye is the author of `` Architecturing a Destiny '' and `` Military Leadership in Nigeria '' . )