Unsavory characters have been spotted in the park. Earthquakes have been disturbing the house. Pops’s sock drawer has been pilfered. Yep, it’s mystery time. When trouble settles over the park along with the chill of winter, it’s up to Rigby, Mordecai, and the rest of the crew to figure out who’s behind--or below--the disturbances.

Essential grammar reference and practice for anyone using English in a business context. Grammar for Business is a must-have for intermediate business students and anyone using English in the workplace. It provides clear explanations and authentic practice of the most essential language used in business English. Designed to help you improve your communication skills in real business situations, it includes a unique focus on spoken as well as written grammar, and practical tips on areas such as organising presentations, negotiating and giving your opinion. Ideal for classroom use and self study.