This book is an attempt to expose young minds to the genetic, molecular and immunohistochemistry markers and also to the new treatment modalities thereof. This revised edition is thoroughly revised and updated with the latest classifications of acute Leukaemia (who, 2017) and myeloproliferative neoplasms (who, 2017). The latest cytogenetic and molecular marks of neoplastic and non-neoplastic hematologic disorders have been incorporated and practical Haematology has been prepared as per the MCI guidelines of the curriculum.