5 Things: Book Launch at Powerhouse on 8th

1. Pun-masters are determined by the "human clap-o-meter" who "accurately and scientifically" assesses levels of audience applause.

2. Book Launch: The Brooklyn Mermaid by Amy Shearn. Come to Powerhouse on 8th and see Park Slope author and mom launch her new book. When Jenny's husband vanishes, she finds an unlikely ally in a mermaid. 

3. Homework Help & Time Management. Instructors at the Cobble Hill Think Tank will monitor, guide and coach students, with the goal of developing new habits that will enable them to confidently prioritize and manage their academic responsibilities for themselves.

4. Inside the Archives: Printed Ephemera. The New York Transit Museum's archives hold thousands of examples of "ephemera" such as tickets, postcards, timetables and transfers. Archivist, Carey Stumm, will show you treasures focused on Grand Central Terminal and the New York Central Railroad.

5. The car is all right for another day. Alternate side parking rules are suspended through Tuesday, April 2.