Hi there, here you can find interesting books which I can recommend for your reading

Atlas of Cyberspace” (Martin Dodge, Rob Kitchin)

Attempts to visualise our Internet in different patterns. The old book with description about Internet / In[out]coming hyperlinks / Traffic / Events Topology

Understanding Search Engines. Mathematical Modeling and Text Retrieval.” (Michael W. Berry, Murray Browne)

A good introduction how search engines are working from mathematical point of view.