The Calculus Direct: An intuitively Obvious Approach to a Basic Understanding of the Calculus for the Casual Observer: Volume 1

Calculus Unraveled: Intuition, Proofs, and Python

LIMITS AND CONTINUITY: 100+ Exercises with Detailed Solutions | From Intuition to Advanced Techniques for High School and College Calculus

Knowing-Being: Direct Intuitive Realization of the Self

An Intuitive Method to Discover and Rank Career Options: Don't waste your life in a job you hate. Its time to find your own career direction and thrive.