Book,  Chapter

1        I,  III |    below zero—he scoured the frozen plains, the thickets of
2        I,  III |   equaling its fellow of the frozen seas. Peter Strogoff had
3        I,  III | where others would have been frozen to death. Gifted with marvelous
4        I,  XIII| winter, the rivers being all frozen to a thickness of several
5       II,  VIII|   falls until the mercury is frozen nearly 42 degrees below
6       II,  X   |    winter this inland sea is frozen over to a thickness of several
7       II,  XV  |     express train across the frozen steppes of Siberia.~However,