Original sentence: The book The Private Capital by Sandra Gwynn provides insight to his life and Canadian politics of the time based on the diary (held at the National Archives in Ottawa) he kept every day from 1844 until his death
Edited sentence: The book The Private Capital by Sandra Gwynn gives a fascinating insight to his life and Canadian politics of the time based on the diary (held at the National Archives in Ottawa) he kept every day from 1844 until his death