Related Clues:

• Current with
• Abreast of
• ''... --- a midnight dreary''
• '___ the Roof' (Drifters hit)
• Versed in
• ''Once --- a time...''
• On top
• Well briefed about
• Not in the dark about
• Savvy about
• ''Once --- a Mattress''
• "--- futher review..."
• Second word in a fairy tale
• Informed about
• Chance --- (meet accidentally)