How to say something sponsors another

Question

If book A is sponsored by entity B, how can I say:

. . . in the upcoming B 's sponsored book A . . .

or

. . . in the upcoming B sponsored book A . . .

Answer 1

"The upcoming B's sponsored book A" would be understood as "the upcoming B's book A"; the same is true for the second phrase you wrote.

I would write the sentence as

The upcoming book A, sponsored by B, […].
The upcoming B-sponsored book A […].

My personal preference is for the first of these sentences.

Answer 2

The possessive is wrong, unless the sponsor is also the author, in which case you probably don't call it a sponsor anyway. So, I would recommend the second sentence, but I would add a hyphen, as you're using “B sponsored” adjectivally:

In the upcoming Verizon-sponsored book A tale of two cellphones, author John Penman describes…