He sat there in his little room and made those things live again for his hearers.

By a lift of the eyebrow, a twist of the lip, a gesture, a word, he painted a whole scene or character so that they saw it as it was.
Some of Captain Jim's adventures had such a marvellous edge that Anne and Gilbert secretly wondered if he were not drawing a rather long bow at their credulous expense.

But in this, as they found later, they did him injustice.

His tales were all literally true.

Captain Jim had the gift of the born storyteller, whereby "unhappy, far-off things" can be brought vividly before the hearer in all their pristine poignancy.
Anne and Gilbert laughed and shivered over his tales, and once Anne found herself crying.