It looks like you’re referring to the “TFO Little Red Knot Book,” a popular guide for learning and mastering fishing knots, particularly in fly fishing. Published by Tightline Productions (TFO – Temple Fork Outfitters), this compact, illustrated booklet is a handy reference for anglers of all skill levels.

Key Features of the TFO Little Red Knot Book:
1. Step-by-Step Knot Instructions – Clear, visual guides for tying essential fishing knots, including:
– Improved Clinch Knot (for securing hooks/lures)
– Surgeon’s Knot (for joining lines)
– Blood Knot (for leader connections)
– Nail Knot (for attaching fly line to backing/leader)
– Perfection Loop (for loop-to-loop connections)
– And more.

2. Compact & Durable – Small enough to fit in a tackle box or vest pocket, often waterproof or laminated for durability.

3. Fly Fishing Focus – While useful for all anglers, it emphasizes knots critical for fly fishing setups.

4. Produced by TFO – Temple Fork Outfitters is a respected brand in fly fishing, known for rods and educational resources.

Where to Find It:
– Available at fly shops, outdoor retailers, or online (Amazon, TFO’s website, etc.).
– Sometimes given as a free promotional item with TFO rod purchases.

Alternatives:
– “The Little Red Fishing Knot Book” (similar guide by Outdoor Sportsman Group).

TFO Little Red Knot Book (TF-KNOT-BOOK)

– Animated Knots (website/app) – Digital alternative with tutorials.

Would you like help finding a specific knot or a digital version? Let me know how I can assist further! 🎣