The book Collector of Science and Wisdom is in your hands a great book full of explanation of the book of forty of Imam Nawawi

The book Collector of Science and Wisdom is in your hands a great and full book, which is the book “Collection of Science and Wisdom in Explanation of Fifty Hadiths from the Compounds of Words”, in which its author, Imam Ibn Rajab al-Hanbali, explained the book of forty of Imam al-Nawawi and added some hadiths to it at the end.

The Book of the Collector of Science and Wisdom. This explanation is one of the best and most useful explanations of the Forty Nuclear Forty, as it includes clarification of hadiths, explanation of their meanings, interpretation of strange ones, discourse on their causes, and a statement of what they contain of legal rulings and jurisprudential benefits.