YOU SAID:

for all the trouble, i will offer you the book for free

INTO JAPANESE

お手数をおかけしますが、その本を無料で差し上げます

BACK INTO ENGLISH

I am sorry to trouble you, but I will give you the book for free.

INTO JAPANESE

お手数をおかけしますが、本を無料で差し上げます。

BACK INTO ENGLISH

I am sorry to trouble you, but I will give you the book for free.