Kitaab al-Jarh wa at-Ta'deel was written by al-Imaam al-Haafidh 'Abdur Rahman bin Hamad Ibn Abee Haatim ar-Raazi (May Allaah Have Mercy on Him). This book deals with the science of Criticism and Praise which is a science from the sciences of Hadith. Ibh Hatim ar-Raazi mentions the narrator's position in the science of hadith, and he arranged this book in alphabetical order. Printed in 10 Volumes on white paper.