As you're looking to sharpen your communication skills within the business context, "The IABC Handbook of Organizational Communication" could be particularly insightful. This handbook goes beyond simple tactical advice, delving into the strategic whys of effective communication. Edited by Tamara Gillis and backed by notable experts, it's an up-to-date, comprehensive guide that addresses contemporary challenges and trends, making it a valuable desktop resource not just for communication professionals, but also for executives aiming to engage with stakeholders more effectively.