I really enjoyed the chapter in which Joshua shares about Changed, Changing, To Be Changed and how our lives in Christ should be all three of those words. This is something that I've been considering a lot recently.
I also really enjoyed the chapter I Believe in the Holy Spirit and how Joshua tenderly teaches what the gift of speaking in tongues is and how it's used to edify and uplift.
This is an excellent book, one I'd recommend for both new Christians and for those who've grown stagnant in their walk.
Here's a summary of the book: