An episode of The Engines of Our Ingenuity, numbered 1623, is available and features the textbooks of two individuals, Joel Dorman and Esther Steele. This episode is described as an introduction to two special teachers. Further information about the episode and its content can be found through the source.

The episode focuses on the textbooks created by Dorman and Steele, highlighting their contributions. Details about the episode's discussion and the significance of Dorman and Steele's work are available from the source, providing more insight into the topic.