What to read after An Icelandic Primer - With Grammar, Notes, and Glossary?

From the PREFACE. The want of a short and easy introduction to the study of Icelandic has been felt for a long time -- in fact, from the very beginning of that study in England. The Icelandic Reader, edited by Messrs. Vigfusson and Powell, in the Clarendon Press Series, is a most valuable book, which ought to be in the hands of every student; but it still leaves room for an elementary primer. As the engagements of the editors of the Reader would have made it impossible for them to undertake such a work for some years to come, they raised no objections to my proposal to undertake it myself. Meanwhile, I found the task was a more formidable one than I had anticipated, and accordingly, before definitely committing myself to it, I made one final attempt to induce Messrs. Vigfusson and Powell to take it off my hands; but they very kindly encouraged me to proceed with it...