Great introductory books along with videos: - Mathematics and Its History (John Stillwell) - Journey through Genius: The Great Theorems of Mathematics (Wil

Great introductory books along with videos: - Mathematics and Its History (John Stillwell) - Journey through Genius: The Great Theorems of Mathematics (William Dunham) - Proofs Without Words: Exercises in Visual Thinking (Roger B. Nelsen) - The Mathematical Universe: An Alphabetical Journey Through the Great Proofs, Problems, and Personalities (William Dunham) - Odds & Ends: Introducing Probability & Decision with a Visual Emphasis (Jonathan Weisberg) - Introduction to Probability (Joseph K. Blitzstein, Jessica Hwang) - The Secret Life of Equations: The 50 Greatest Equations and How They Work (Richard Cochrane) - Euler's Gem: The Polyhedron Formula and the Birth of Topology (David S. Richeson) - 3Blue1Brown Essence of Linear Algebra: https://www.youtube.com/playlist?list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab - 3Blue1Brown Differential Equations: https://www.youtube.com/playlist?list=PLZHQObOWTQDNPOjrT6KVlfJuKtYTftqH6 - Dynamics: The Geometry of Behavior (Ralph Abraham, Christopher Shaw) - Geometry, Relativity and the Fourth Dimension (Rudolf Rucker) - 3Blue1Brown Essence of Calculus: https://www.youtube.com/playlist?list=PLZHQObOWTQDMsr9K-rj53DwVRMYO3t5Yr - Calculus for the Practical Man (J.E. Thompson) - Div, Grad, Curl, and All That: An Informal Text on Vector Calculus (Harry M. Schey) - Who Is Fourier? a Mathematical Adventure - Physics, Topology, Logic and Computation: A Rosetta Stone (John C. Baez, Mike Stay) - An Illustrated Guide to Relativity (Tatsu Takeuchi) - The Mathematics Of Quantum Mechanics (Martin Laforest) - A Student's Guide to Maxwell's Equations (Daniel Fleisch) or if you're also interested in a visual guide, I wrote one as well: https://github.com/photonlines/Intuitive-Guide-to-Maxwells-Equations - Introduction to Elementary Particles (David J. Griffiths) - An Invitation to Applied Category Theory: Seven Sketches in Compositionality (Brendan Fong, David I Spivak) - Solving Mathematical Problems: A Personal Perspective (Terence Tao)