Wu Hong.
If you can read classical Chinese, choose Ghost Valley by modern scholar Xu and publish it by Zhonghua Book Company. This book collects almost all the notes and collations of Guiguzi by ancient and modern scholars.
If you can't read classical Chinese well, you can choose the new book Guiguzi Huijie by modern scholar Hongwu Wang, which was published this year 1 month and published by the People's Liberation Army Press. There can be no annotations in the book, but a translation in vernacular Chinese. In addition, the explanations of Guiguzi by famous artists in past dynasties were collected.