Guided Edition
Read, save your place, and complete mastery checks.
Open Guided Edition →USD Impact account
Pick up where you left off, explore another format, and manage your account securely.
Four useful first steps
Progress is recognized from activity the product already saves. This checklist does not grant access or add a new tracking system.
Your saved activity is loading.
Getting started
You can bring back the four-step learning checklist at any time.
Included formats
Read, save your place, and complete mastery checks.
Open Guided Edition →Listen to the complete English edition at your pace.
Open audiobook →Watch focused lessons organized into clear collections.
Open Video Library →This browser can stay signed in for up to 30 days when “Keep me signed in” is selected. The same sign-in covers the Guided Edition, digital reader, audiobook, and Video Library. On a shared device, sign out when finished.
Library access belongs to the USD Impact account shown above. The payment receipt and any invoice belong to the email entered in Lemon Squeezy checkout, which can be different when someone pays for another person.
Use Lemon Squeezy My Orders with the checkout email to view the receipt, resend it, or generate an invoice. Invoice generation may require the purchaser's billing address.
Open Lemon Squeezy My OrdersSubmit an account-linked support request. Do not include passwords, one-time codes, complete sign-in links, payment-card data, API keys, or provider secrets.
For mailbox-based support, email support@usd-impact.com.
Deletion ends paid access and starts a seven-day safety period. It does not create a refund. Certain transaction, tax, fraud, dispute, and audit records may be retained where required.