Early New Testament books were papyrus and parchment codices with majuscule script, little spacing, and evolving reading aids, yet they remain readable artifacts.
New Testament Paleography: Materials, Writing Utensils, Book Forms, and Handwriting for Dating and Transmission
Paleography of New Testament manuscripts explained: materials, pens, codices, and handwriting features that date and stabilize the text from papyri to parchment.

