Super Mario Bros.: Trapped in the Perilous Pit

Super Mario Bros.: Trapped in the Perilous Pit was a Golden Look-Look Book featuring Mario & Co. and aimed at very young readers. it was written by Jack C. Harris. The 24 page book was illustrated by Kim Ellis and published by the Western Publishing Company in July, 1989  (However, some sources say it was published in 1990, like the other two Golden Books   .)

Plot
Mario and Luigi are repairing the palace's pipes while King Koopa traveled down the corridor intending to kidnap Princess Peach. Mario tries to fight King Koopa off by using his Super Mario form, but is defeated. Luigi saves Mario from King Koopa by using a Fire Flower. Afterwards, the Mario Bros. try to run off the Koopa Troop, but instead fall into a deep pit. King Koopa also throws Peach into the pit and locks the exit.

The Mario Bros. have to cooperate to escape the pit. Mario grows larger by eating a Mushroom, allowing him to reach the top of the pit. Luigi uses the remaining fire in his Fire Flower to burn down the locked door. After their escape, the Mario Bros. defeat King Koopa and drive him off. Mario, Luigi, and Peach return to the castle to celebrate their victory.