Highlight the spare book in the caravan. Then, hold Select and press R1, L1, L2, R2.
At the deployment screen, press Select, R1(2), L2(2), R1, R2. Then, select the "Resume" option.
At the main menu, press R2, R1, L2, R2, R1, R2. Then, select the "Resume" option.
At the deployment screen, press Select, R2, R1, R2, R1, L2, R1. Then, select the "Resume" option.
At the deployment screen, press Select, R1, L1, R2(2), R1(2). Then, select the "Resume" option.
At the deployment screen, press Select, R1, L1, R1, L2, R1, R2. Then, select the "Resume" option.
At the deployment screen, press Select, L2(2), R2, L2, R1(2). Then, select the "Resume" option.
At the deployment screen, press Select, L2(4), R1, R2. Then, select the "Resume" option.