Robert Langdon: But I need a copy of the book.

Sienna Brooks: Copy of the book? Thats quaint.

[waves a smart phone]

Sienna Brooks: I use Google.

e-texts 52:33  A new study shows that students learn way more effectively from print textbooks than screens  https://www.businessinsider.com/students-learning-education-print-textbooks-screens-study-2017-10?fbclid=IwAR0IHisJk3nW8JvGEansW2-yLOaW0yk8tCG3wFQhuM9Xc0i10CrNyXWsQhw