Topology Without Tears by S.A. Morris is legally free and available at topologywithouttears.net . It is more verbose but covers similar ground. This article is for informational purposes. Always respect copyright law. If you own the rights to this work and believe an error has been made, please contact us.
If you absolutely cannot afford it, speak to your mathematics department or library. Many professors keep a desk copy they can share, or they may place the book on course reserve. Remember: topology is about building connections—between spaces, between ideas, and between learners. Respect the work that builds those connections. Q1: Is Paul E. Long’s book suitable for a one-semester course? Yes. Most instructors can cover Chapters 1 through 7 in 14 weeks. an introduction to general topology paul e long pdf link
Metric spaces are introduced in Chapter 2 as primary examples, but Chapter 8 focuses on completeness and metric-specific properties. Topology Without Tears by S