Share this Page View an Ebook Preview Play Book Cover Jigsaw Play a Word Search Video Book Trailer for Counting on Katherine: How Katherine Johnson Saved Apollo 13 This video book trailer is provided by Dow Phumiruk About the Author 5 Helaine Becker page on TeachingBooks View the Page Share Personal Website for Helaine Becker View the Website Share Dow Phumiruk page on TeachingBooks View the Page Share Personal Website for Dow Phumiruk View the Website Share Blog for Dow Phumiruk Read the Blog Share
