Lord Auckland is infamous for launching the First Anglo-Afghan War which led to the disastrous retreat from Kabul to Jalalabad with only one lone British straggler surviving the knives and jezails of the Afghans.
This book is by his sister.
It is a selection of letters written from 1837 to 1840, but only published in 1866 as Up the Country.
They were written by Emily Eden to her sister in England while on a tour of the Upper Provinces of India with her brother Lord Auckland. Her brother was the Governor-General of India. They traveled with an entourage of 12,000 from Calcutta to Simla and back. The journey took 2 and a half years.
This reprint has an Introduction and some notes. Sadly, it lacks an index and a list of contents. Therefore, it is not easy if one wants to read a particular part of the journey.