This book is a PDF - 61 pages in total. A shortened version from the original book" Intermediate Korean Grammar" - this book includes all of the grammar exercises from it. There are no lessons, just practice and answer sheets. Ther around 40 practice sections in total. Below is a list of all the grammar that you'll practice in this book. 
 
LIST:
(으)ㄹ 뻔하다 - almost did 
(으)ㄹ 만하다 - worth doing 
-지 말고 - don’t do A, do B 
(으)ㄴ/는지 알다/모르다 I know/ don’t know if
(으)ㄴ/는 대신(에) - instead of
-(으)ㄴ/는데도 - even though, although 
(으)ㄹ 뿐(만) 아니라 - not only this, but also
기는 하지만 - but (also) 
(으)ㄴ/는 척하다 - pretend to do 
(으)ㄹ지도 모르다 - might, may 
(으)ㄹ까 봐(서) - I’m worried about
게 하다 - to make someone do 
-다가 - and/but then 
(으)ㄴ 지 N(Time)이/가 되다/넘다/지나다 
Verb + -게 - so that, in order to 
더라고요 - I saw/experienced that.. 
-다가는 - if you keep V-ing,.. 
(느)ㄴ다면 - what If (hypothetical) 
(으)ㄹ 정도로 - to the extent 
(으)ㄹ 테니까 - since it might..
말고 - Instead of 
ㄹ 뿐이다 - only, just 
기도 하고 -기도 하다 
- both/sometimes A and B
ㄹ 수도 있다 - might + Verb 
았/었다가 - but then 
~는 데 걸리다/들다 - take/cost (time, money) 
더라도 - even If 
ㄹ텐데 - would, suppose….(so/but)