Mate in 5 Exercise 24

White plays and wins in 3 moves https://lichess.org/Kagv1pOy

1. Qg3+ Kd2 2. Rf2+ Ke1 3. Qg1#

The analysis board does checkmate in 5 moves

1. Rf3+ Kd2 2. Qe3+ Kd1 3. Qg1+ Kd2 4. Qg2+ Ke1 5. Rf1#

Source:

https://www.amazon.com/Chess-Puzzles-Advanced-Expert-Level/dp/B0917YQZP1