The MPC Library uses the Library of Congress Classification System (LC System) it's books.
Below are the main classes of the Library of Congress Classification.
A - General Works
B - Philosophy, Psychology, Religion
C - Auxiliary Sciences of History
D - History (General) and History of Europe
E & F - History: America & United States
G - Geography, Anthropology, Folklore, Recreation
H - Social Sciences
J - Political Science
K - Law
L - Education
M - Music
N - Fine Arts
P - Language and Literature
Q - Science
R - Medicine
S - Agriculture
T - Technology
U - Military Science
V - Naval Science
Z - Bibliography, Library Science and Information Resources
For a more detailed information about these classes, go to the LC website.
WorldCat connects you to the collections and services of more than 10,000 libraries worldwide.
'Smartphone' or 'Smart Phones' don't work very well for search terms when looking for books. If you're interested in how smartphones or other mobile technology is influencing us, use search terms like 'technology AND social aspects', 'technology AND psychological aspects', 'internet AND social aspects'. If you limit your search to the past few years the kind of technology that they'll be discussing is definitely going to be mobile technology.
Take a look at the books below for ideas: