Complex sentence: When it was published, Blunt's name was on the title page while Stearn was only acknowledged in the preface, an omission not rectified till he prepared the second edition in 1994, although the preface reveals Stearn's extensive contribution.
Split into simpler sentences: When it was published, Blunt's name was on the title page, while Stearn was only acknowledged in the preface. The omission was not rectified till he prepared the second edition in 1994, although the preface reveals Stearn's extensive contribution.