> The Gang of Four book is terrible. I don't agree. It's a seminal book which, in spite of having been released about 2 decades ago, is still required reading

> The Gang of Four book is terrible. I don't agree. It's a seminal book which, in spite of having been released about 2 decades ago, is still required reading. The book also is well suited as a reference due to their clear explanations, descriptions, and use-cases.