Look for these new books on U.S. Presidents:
Baier, Bret. To Rescue the Republic: Ulysses S. Grant.

Ginsberg, Gary. First Friends: The Powerful, Unsung (and Unelected) People Who Shaped Our Presidents.
Ricks, Thomas E. First Principles: What America’s Founders Learned.
Tobin, James. Master of His Fate: Roosevelt’s Rise.
Quirk, Anne. Larger Than Life: Lyndon B. Johnson and the Right to Vote.
Woodward, Bob. Peril.

Yenne, Bill. The Complete Book of U.S. Presidents.
The Library of Congress makes many images free to use and reuse. Enjoy these presidential portraits: