The Portuguese translation uses "você" vs. "tu" inconsistently. Solution: This is a known issue with the first edition. Search for the 2nd revised edition of o animal social epub at your retailer.
A physical copy of O Animal Social weighs over a pound. An file is typically under 5 MB. You can store it on the cloud, email it to a friend (legally, with DRM considerations), or carry an entire library on a microSD card. o animal social epub