Colorado's Mount Elbert is the highest peak in which mountain chain?

At 13,665 feet, Mount Toubkal is the highest peak in which African range? Which Colorado peak is named for an explorer who spotted it during an 1806 expedition? The Penguin Classics Deluxe edition of which Russian author's "War and Peace" runs 1,424 pages? Which volcano is Washington state's highest point? Which peak is California's highest point? In 1991, at 15, Judit Polgar broke Bobby Fischer's record as the youngest person to earn which chess title? At 15 in 1989, Jack Staddon won the first of which contests sponsored by National Geographic? At about 15,200 feet, the Dufourspitze is the highest peak in which country?