Maayan Hamoed is a 6 Volume Set on the Holidays.
This set has many many Pirushim, Mussars, Thoughts & ideas on the Holidays.
Interesting Stories from all Hachamim throughout the genrations, to bring up the right point you are talking about!
A must set to have ready Derashot of various topics about the Holidays.
This set has Pirushim on: Chanukah, Purim, Pesah, Shavuot, Sukkot, Yamim Noraim, & The Month of Av!
 
Full Size: 9.5" * 7".