"The Diamond Age: Or, A Young Lady's Illustrated Primer" is a postcyberpunk novel by Neal Stephenson that delves into a future transformed by nanotechnology. Set in a world where molecular machines can create almost anything on demand, the story revolves around an interactive book designed to educate a young girl from a wealthy family. However, when this sophisticated device falls into the hands of Nell, a child from the lower socio-economic stratum, it becomes both her guide and protector in navigating a complex, stratified society. "

Primer is an AI-embooking artefact able to teach and assist human learner in art of construction of deployment of more advanced variants of the Primer.