Digital Logic Design is a comprehensive textbook, which aims to provide entry-level readers a quick start to the field of digital logic design so as to facilitate them with the capability suitable for the versatility of social change and interdisciplinary learning. This textbook can be used as a textbook for classroom use in the fields of electronics, electrical, computer science, information engineering, mechanical, and so on. The salient features of this textbook are as follows: -- Introduce incrementally the principles of digital logic design and exemplify each basic theme and concept with abundant illustrations. -- Detail design principles of various combinational modules, including decoders, encoders, multiplexers, demultiplexers, arithmetic circuits, and so on. -- Introduce design principles of various sequential modules, including counters, registers, shift registers, sequence generators, etc. -- Address the structures, features, and applications of PLD/FPGA devices. -- Exemplify applications of CPLD/FPGA devices with Verilog HDL modules. -- Provide 20 basic and application experiments of digital logic to help readers verify the consistence of digital logic between principles and practice. -- Include an abundance of review questions in each section to help readers evaluate their understandings about the section. -- Deal with Verilog HDL concisely in relevant sections so as to make the reader understand how to describe a logic circuit in Verilog HDL precisely. Digital Logic Design is an ideal textbook for the digital logic design course in the fields of electronics, electrical, computer science, information engineering, mechanical, etc, or serves as a valuable reference book for self-study.