Start with high-confidence c programming books, then narrow by subgenre or adjacent topics.
Go Programming Language, the
Alan Donovan, Brian Kernighan
Clean Coder, the
Robert Martin, Robert C. Martin
Code
Charles Petzold
The Elements of Computing Systems, Second Edition
Noam Nisan, Shimon Schocken
C Programming Absolute Beginner's Guide
Greg Perry, Dean Miller
Learning Modern C++ for Finance
Daniel Hanson
Effective Rust
David Drysdale
Microsoft Visual C# Step by Step
John Sharp
C# in Depth
Jon Skeet