This book commences by providing basic and introductory concept of parasitology. Then the text focuses on helminth parasites with veterinary importance including their taxonomical classification host lifecycle epidemiology clinical sign and treatment. Furthermore the book incorporates more than 70 pictures to further support the explanation about these helminth parasites. Therefore this book can benefit students and interested readers since it is a concise review of veterinary helminth parasites with pictorial illustration and presented in a systemic manner following the appropriate logical order.