Kryakvin recommends the 3... Nc6 (Guimard Variation) against the Tarrasch, an unconventional but sound system that aims for active piece play.
Forward Chess offers an interactive ebook version that includes a built-in engine for analyzing the moves. Download Kryakvin The Modern French Volume Tarrasch pdf
You can view a official PDF sample from the publisher to see the table of contents and sample chapters. Kryakvin recommends the 3
Sites like Scribd sometimes host the title for members, though availability varies. though availability varies.