It has been a primary object of the author throughout this work, to furnish the outline of facts necessary for this class. He is aware also that much in detail will be desired and eagerly sought after, which the portable and limited size of this little work could not contain; but such information may be found in the larger works, by Hall, Flint, Darby, Schoolcraft, Long, and other authors and travellers. Those who desire more specific and detailed descriptions of Illinois, will be satisfied probably with the author's GAZETTEER of that State, published in 1834, and which can be had by application to the author, or to the publishers of this work. 2. This Guide is also designed for those, who, for either pleasure, health or business, intend to travel through the western States. Such are now the facilities of intercommunication between the eastern and western States, and to most points in the Valley of the Mississippi, that thousands are visiting some portions of this interesting region every month. Some knowledge of the routes that lead to different parts of this Valley, the lines of steamboats and stages, cities, towns, public institutions, manners and customs of the people, &c., is certainly desirable to all who travel. Such persons may expect a correct, and it is hoped, a pleasant Guide in this book. 3. There is a numerous class of persons in the Atlantic States, who desire to know more about the Great West and to have a book for reference, who do not expect to emigrate here. Many are deeply interested in its moral welfare. They have cheerfully contributed to establish and build up its literary and religious institutions, and yet from want of access to those facts which exist amongst us, their information is but partial and limited. The author in his travels in the Atlantic states has met with many persons, who, though well informed on other subjects, are surprisingly ignorant of the actual condition, resources, society, manners of the people, and even the geography of these states and territories. The author is aware of the difficulty of conveying entirely correct ideas of this region to a person who has never travelled beyond the borders of his native state. The laws and habits of associating ideas in the human mind forbid it.