Best books with writing and speaking activities

[Mina Katheri]

Hi! I am trying to find a good book with clever writing and speaking activities that help students unblock their skills. Is there anything that you have tried and you recommend?

 

[Tarheel]

Are you talking about speaking skills. Writing skills?

What does it mean to unblock skills?
:?:

 

[Rover_KE]

Welcome to the forum, Mina.