Subscribe to this product.

    Is this your street address?

    Card

    ···· ···· ···· 4242
    Test card

    05/18

    Card

    Use a different card?

    Card

    pp paypal

    or pay with

    We do not keep any of your sensitive credit card information on file with us unless you ask us to after this purchase is complete.

    or pay with

    Please confirm your location:
    Your card will be charged .

    Thank you!

      Gumroad Library

      Download from the App Store or text yourself a link to the app

      App Store Play Store
      Text me a link

      Download from the App Store or text yourself a link to the app

      Send SMS
      Nevermind

      Secured by Gumroad

      W.J. Gilmore, LLC

      W. Jason Gilmore is a software developer and consultant with more than 15 years of experience helping companies of all sizes build amazing solutions. He is the author of six books, including several bestsellers.

      Follow for updates on what W.J. Gilmore, LLC is creating.

      Explore my products:

      • Programming
      • Rails
      • Ruby