switch (TYPE){
            case DROP:
                player.getWorld().dropItem(npcLocation, book);
                dB.echoDebug("... dropped book by NPC");
                break;

            case GIVE:
                inv = player.getInventory();
                emptySpot = inv.firstEmpty();
                if (emptySpot == -1) {
                    player.getInventory().addItem(book);
                    dB.echoDebug("... added book to player inventory");
                } else {
                    player.getWorld().dropItem(player.getLocation(), book);
                    dB.echoDebug("... player inventtory full, dropped book");
                }

                break;
            case EQUIP:
                inv = player.getInventory();
                ItemStack currItem = player.getItemInHand();

                //if they aren't holding anything
                if (currItem == null || currItem == new ItemStack(0)) {
                    player.setItemInHand(book);
                    dB.echoDebug("... added book to player hand");
                }
                //drop it if inventory has no empty slots
                emptySpot = inv.firstEmpty();
                if (emptySpot == -1) {
                    player.getWorld().dropItem(player.getLocation(), book);
                    dB.echoDebug("... dropped book, player inventory full");
                }
                //move current held item to empty spot, set item in hand to the book
                else {
                    inv.setItem(emptySpot, currItem);
                    player.setItemInHand(book);
                    dB.echoDebug("... added book to player hand, moved original item");
                }
                break
            }