Use a pointer or your finger to guide your eyes. This can increase reading speed by 25%.

Rubber Duck Debugging: explain your code line by line to an inanimate object.

Create a dedicated reading space with good lighting and minimal distractions.

Organize books by color for visual appeal or by genre for practical access.

Write documentation as if the next person reading it is a violent psychopath who knows where you live.

Take brief notes after each chapter. Summarizing helps cement knowledge.