Create your own B1 workbook. Use free templates from or BusyTeacher to print grammar worksheets. Organize them into a binder. While not the official book, you can build a "custom PDF."
However, searching for a cracked "Beyond B1 Workbook PDF" is a waste of time due to malware risks, incomplete scans, and legal liability. beyond b1 workbook pdf
Macmillan has shifted heavily toward digital. You can purchase an eWorkbook code. This is a fully interactive version (not strictly a PDF, but works like one). Create your own B1 workbook