51.   Mr Perry made a note in his book.

52.   He thought his book would change society.

53.   The author distanced himself from some of the comments in his book.

54.   Dr Ryan travelled the world gathering material for his book.

55.   He flattened the wrappers and put them between the leaves of his book.

56.   He carefully flattened the wrappers and put them between the leaves of his book.

57.   His book destroyed the mystique of monarchy.

58.   He develops the concept more fully in his book.

59.   His book paints a gloomy picture of the prospects for peace.

60.   His book has long been a touchstone for travel writing that aspires to be literature.