Technology Blue Intertwined Book Cover Ideas with Cityscape Patterns Lines Buildings Network Streets Engineering

A futuristic blue-toned cityscape with intricate, white engineering lines and geometric patterns flowing through the streets and buildings. The patterns seamlessly intertwine like a 3D network, symbolizing urban connections and sustainability. The background features a gradient of deep to light blue, symbolizing vision and innovation.

Modern sans-serif fonts like Montserrat or Futura in bold for the title to add authority and clarity. A complementary light sans-serif font (e.g., Open Sans or Lato) for any subtitles, rendered in thin weight for a harmonious balance. The fonts are white to contrast sharply against the blue background.

The title is centered horizontally toward the top. The engineering lines and geometric patterns flow from the bottom-left corner, crossing diagonally to the upper-right, weaving through the outlined cityscape. The background gradient anchors the composition, while the text stands out cleanly above the layers.