The Kindle Edition of the children’s book The Invincible Iron Man: An Origin Story is on sale for only $1.99 (that’s 78% off the regular price of $8.99).

This is a 49-page picturebook, written by Rich Thomas with illustrations by Craig Rousseau, which tells the original of the Marvel superhero Iron Man on a level perfect for the really little ones in your life.

There’s a total of nine children’s books featuring popular TV and film characters are as low as $0.99 each for the Kindle, so be sure to check out main sale page to see all the titles on sale today only, like Brave and Cinderella: The Lost Tiara (Disney Princess Chapter Books).

This classic storybook retells the origin of the Invincible Iron Man! Inventions are only as good as the men who make them . . . Billionaire inventor Tony Stark had always put himself first until one fateful day when his inventions were used for evil. But when Tony tried to set things right, his devices were turned against him. In order to survive, Tony built himself a high-tech suit of armor and promised to use this technology to help those in need as the Invincible Iron Man!