About author : Atul samiran, M.Sc. was born in bhagalpur (Bihar). He completed his bachelor's degree in science with honours in Zoology from Tej Narayan Banaily mahavidyalay, Bhagalpur (T.N.B. college) and master degree in Zoology from Post graduate department of Zoology from Tilkamanjhi Bhagalpur University, Bhagalpur. He secured first position in the university in Master for which he was awarded the gold medal.he got 66th position in all over india in national eligibility test conducted by the counsil of scientific and industrial research(CSIR). Till now Many papers have been published by him in different journals. Author Atul samiran is also a dynamic sketch artist. In this book too many diagrams have been made by himself. He has been honoured various awards in the painting world. He is currently working as a research scholar in the post graduate department of Zoology ( TMBU, Bhagalpur).

About book : Concept of Endocrinology: A complete guide is the book for I.Sc./ B.Sc./M.Sc./ students of Zoology, Life Science, Animal Science, Biochemistry, Health Science, Pharmacy, Medical Science, etc. This book discusses the entire endocrine gland in detail In which the functions of various hormones and their action are explained in detail with suitable diagrams and also explained various disease arise due to dysfunction of hormones and endocrine glands.