Sky Viper Drone V2400HD V2450FPV V2450GPS Compatible Battery 3.7v 1200mAh High Capacity

Introduction to the Categorical Syllogism (Applying the Mathematics of Ideas and the Logic of Lattices to Understand the Categorical Syllogism of Classical Logic Book 1)

Detective Logic Puzzles for Adults: 100 Crime-Themed Logic Grid Puzzles - Fun, Easy to Hard Logic Puzzles - Large Brain Teaser Book

The Joy of Abstraction: An Exploration of Math, Category Theory, and Life

Journey into Mathematics: An Introduction to Proofs (Dover Books on Mathematics)

Build a Mathematical Mind - Even If You Think You Can't Have One: Become a Pattern Detective. Boost Your Critical and Logical Thinking Skills. (Advanced Thinking Skills, Book 4)

Playing with Infinity (Dover Books on Mathematics)

Puzzle Me Twice: 70 Simple Puzzles (Almost) Everyone Gets Wrong (Alex Bellos Puzzle Books)

Logic Grid Puzzles For Adults & Teens: Relaxing Logical Reasoning Activity For A Satisfying Brain Workout - Includes Bonus Second Chance Grids (Puzzle Books by Alex Smart)