Anyone who has read Modern Operating Systems knows Tanenbaum writes with extreme clarity. He does not assume prior genius. He assumes hard work. His chapters on recursion and trees are particularly praised for walking the reader through the call stack frame by frame.
Tanenbaum includes debugging sections on memory leaks. Use Valgrind (Linux) or the C++ memory debugger to run the code from the PDF. Deliberately remove free() or delete to see the leak reports. data structures in c and c tanenbaum pdf