Search query: topology without tears

Product: NATIONAL GEOGRAPHIC Break Open 10 Premium Geodes – Includes Goggles, Detailed Learning Guide & 2 Display Stands - Great STEM Science Gift for Mineralogy & Geology Enthusiasts of Any Age
Brand: NATIONAL GEOGRAPHIC
Color: Multicolor
Relevance: Irrelevant
DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside! Geology doesn’t get more exciting than breaking open rocks and finding crystal treasures. A great STEM activity that also makes an excellent gift for girls and boys!
COLORFUL VARIETY – Geodes can form with a wide variety of crystals inside. These geodes have been hand-selected to bring you the best variety available.
100% NATURAL GEODES – These real specimens may be as big as a tennis ball, or as small as a ping-pong ball. Kids will love the thrill of cracking them open to see the natural beauty inside. This STEM activity emphasizes fun and discovery!
16 PAGE FULL-COLOR LEARNING GUIDE – You’ll learn all about the fascinating science behind how geodes are formed in the detailed, full-color learning guide. National Geographic educational toys make science and learning fun, and are the perfect STEM gifts for boys and girls!
SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.

Product: Pure Encapsulations Quercetin | Supplement with Bioflavonoids for Immune, Cellular, and Cardiometabolic Health* - 120 Capsules
Brand: Pure Encapsulations
Relevance: Irrelevant
Quercetin has been shown to be one of the most bioactive flavonoids. Research suggests a supportive role for cellular, immune and cardiometabolic health.*
Immune Support: Quercetin facilitates healthy mast cell function by supporting healthy enzyme activity.*
Bioflavonoids: Quercetin has been shown to be one of the most bioactive flavonoids. Research suggests a supportive role for cellular, immune and cardiometabolic health.*
Antioxidant Support: Quercetin promotes cardiovascular health by protecting lipids from oxidation and supporting the health of capillaries by enhancing their strength and integrity.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Product: Introduction to Topology: Third Edition (Dover Books on Mathematics)
Brand: Dover Publications
Relevance: Substitute
Dover Publications

Product: Introduction to Topology: Pure and Applied
Brand: Pearson
Relevance: Irrelevant